ORA-01578 data block corrupted

2004-01-06 Thread Nguyen, David M
Title: ORA-01578 data block corrupted






I got ORA-01578 error while querrying info for below table. How do I fix this error?


SQLSelect count(*) from GATEWAYCALLSTATS;

 *

ERROR at line 2:

ORA-01578: ORACLE data block corrupted (file # 3, block # 2683299)

ORA-01110: data file 3: '/apps/oracle/oradata/SIDB/rtesvr01.dbf'

Thanks,

David




Delete vs. truncate to free up spaces.

2003-12-22 Thread Nguyen, David M
Title: Delete vs. truncate to free up spaces.






I am using delete command to delete million records in several tables to free up space in tablespace. I understand delete command does not release unused spaces as truncate command but I could not use truncate to delete ALL records in table as I need to keep one month old of records in table. Please advise a better method I can use to free up spaces.

Thanks,
David




RE: Delete vs. truncate to free up spaces.

2003-12-22 Thread Nguyen, David M
It's Oracle8i Enterprise Edition.



-Original Message-
Jacques Kilchoer
Sent: Monday, December 22, 2003 4:44 PM
To: Multiple recipients of list ORACLE-L

This is one of the cases where a partitioned table can be of great use.
What version of Oracle? Standard or Enterprise Edition?
With a partitioned table you can say
alter table ... drop partition ... ;
to easily get rid of a large chunk of data and release the space.

See
Oracle9i Database Concepts Release 2 (9.2)
Part Number A96524-01 
Chapter 11
Partitioned Tables and Indexes
http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96524/c12p
arti.htm#464767

or

http://tinyurl.com/362ba


-Original Message-
Nguyen, David M

I am using delete command to delete million records in several tables to
free up space in tablespace.  I understand delete command does not
release unused spaces as truncate command but I could not use truncate
to delete ALL records in table as I need to keep one month old of
records in table.  Please advise a better method I can use to free up
spaces.
Thanks,
David
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-- 
Author: Jacques Kilchoer
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RE: Unreadable time_stamp format

2003-12-17 Thread Nguyen, David M








Jared,



It is epochtime. When I run your
given SQL I got TO_DATE output is 24-NOV-03. Is it
actual date translated from epochtime 1069716948959 ? 



How do I query to select only 100 records?





SQL select to_date('01/01/1970','mm/dd/')
+ ( 1069716948959 / (24*60*60*100

0) ) from dual ;



TO_DATE('

-

24-NOV-03





Thanks,
David





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Tuesday,
 December 16, 2003 7:14 PM
To: Multiple recipients of list
ORACLE-L
Subject: RE: Unreadable time_stamp
format




Try milliseconds from the epoch - 1/1/1970


select
to_date('01/01/1970','mm/dd/') + ( 1069716948959 / (24*60*60*1000) ) from
dual 

You
really need to know how the timestamp column is defined by your app.


Jared







 
  
  
  
  
  Nguyen, David M
  [EMAIL PROTECTED] 
  Sent
  by: [EMAIL PROTECTED] 
  12/16/2003 02:09 PM 
  Please
  respond to ORACLE-L 
  
  
  
  
 To:Multiple recipients of
  list ORACLE-L [EMAIL PROTECTED] 
  
 cc: 
  
 Subject:RE: Unreadable
  time_stamp format
  
 





Now I got. 
 
USER_NAME   TIME
STAMP 
 
 -- 
eholley   
1069716948959 
jmdavis   
1069715246467 
jmdavis   
1069715324466 
 
 
-Original
Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bobak, Mark
Sent: Tuesday, December 16, 2003 3:54 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Unreadable time_stamp format 
 
Since it's a NUMBER datatype, try: 
SQL column time_stamp format 

SQL select user_name, time_stamp from
USER_ACTIVITY_LOG; 
 
-Original
Message-
From: Nguyen, David M [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003 4:39 PM
To: Multiple recipients of list ORACLE-L
Subject: Unreadable time_stamp format 

I need to view time_stamp column in
USER_ACTIVITY_LOG table but it displays unreadable format as shown below.
Is there a way to decode it to be readable? 

SQL desc USER_ACTIVITY_LOG 

Name  
  
 Null?  Type 

-
  

TIME_STAMP 
 NOT NULL NUMBER(20) 

NODE_NAME 
  NOT NULL
VARCHAR2(20) 

USER_NAME 
  NOT
NULL VARCHAR2(20) 

CLIENT_IP 
  

NOT NULL VARCHAR2(15) 

DESCRIPTION 
 NOT NULL
VARCHAR2(2048) 
 

SQLselect user_name, time_stamp from USER_ACTIVITY_LOG; 

edscott   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


jmdavis   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


Thanks,
David 








RE: Unreadable time_stamp format

2003-12-17 Thread Nguyen, David M








Jared,



Sure I will. Thanks for you help.



Regards,
David



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, December 17, 2003
11:10 AM
To: Multiple recipients of list
ORACLE-L
Subject: RE: Unreadable time_stamp
format




David, 

SOAPBOX


Not
trying to sound condescending or disrespectful, but I think you need

some
serious practice time with SQL. Break out the SQL manual, and find

out
how to join various tables. A good place to start would be the demo

account
scott/tiger, with the demo tables in $ORACLE_HOME/sqlplus/demo. 

Knock
yourself out playing with joins, experimenting with different SQL functions.


Create
foreign keys, find out why FK's should have an index, what the requirements

are
for the index, etc. Become *fluent* in PL/SQL as well, and learn when to

use
it and when not to use it. 


/SOAPBOX


Try
this: 

select 
 user_name 
 , to_date('01/01/1970','mm/dd/') + (
time_stamp / (24*60*60*1000)) 
from user_activity_log 
where rownum = 100 


HTH


Jared







 
  
  
  
  
  Nguyen, David M
  [EMAIL PROTECTED] 
  Sent
  by: [EMAIL PROTECTED] 
  12/17/2003 07:54 AM 
  Please
  respond to ORACLE-L 
  
  
  
  
 To:Multiple recipients of
  list ORACLE-L [EMAIL PROTECTED] 
  
 cc: 
  
 Subject:RE: Unreadable
  time_stamp format
  
 





Jared, 
 
It is epochtime. When I run your given SQL I got
TO_DATE output is 24-NOV-03. Is it actual date translated
from epochtime 1069716948959 ?  
 
How do I query to select only 100 records? 
 
 
SQL select to_date('01/01/1970','mm/dd/') + (
1069716948959 / (24*60*60*100 
0) ) from dual ; 
 
TO_DATE(' 
- 
24-NOV-03 
 
 
Thanks,
David 
 
 
-Original
Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003 7:14 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Unreadable time_stamp format 
 

Try milliseconds from the epoch - 1/1/1970 

select to_date('01/01/1970','mm/dd/') + ( 1069716948959 / (24*60*60*1000) )
from dual 

You really need to know how the timestamp column is defined by your app.


Jared 




 
  
   
  
  
  Nguyen, David M
  [EMAIL PROTECTED] 
  Sent by: [EMAIL PROTECTED] 
  12/16/2003 02:09 PM 
  Please respond to ORACLE-L 
  
  
  
 To:Multiple recipients
  of list ORACLE-L [EMAIL PROTECTED] 
 cc: 
 Subject:RE: Unreadable
  time_stamp format
  
 






Now I got. 

USER_NAME   TIME STAMP 
  
-- 
eholley  
 1069716948959 
jmdavis  
 1069715246467 
jmdavis  
 1069715324466 


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bobak, Mark
Sent: Tuesday, December 16, 2003 3:54 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Unreadable time_stamp format 

Since it's a NUMBER datatype, try: 
SQL column time_stamp format  
SQL select user_name, time_stamp from USER_ACTIVITY_LOG;


-Original Message-
From: Nguyen, David M [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003 4:39 PM
To: Multiple recipients of list ORACLE-L
Subject: Unreadable time_stamp format 

I need to view time_stamp column in
USER_ACTIVITY_LOG table but it displays unreadable format as shown below.
Is there a way to decode it to be readable? 

SQL desc USER_ACTIVITY_LOG 

Name  
  
 Null?  Type 

-
  

TIME_STAMP 
 NOT NULL NUMBER(20) 

NODE_NAME 
  NOT NULL
VARCHAR2(20) 

USER_NAME 
  NOT
NULL VARCHAR2(20) 

CLIENT_IP 
  

NOT NULL VARCHAR2(15) 

DESCRIPTION 
 NOT NULL
VARCHAR2(2048) 
 

SQLselect user_name, time_stamp from USER_ACTIVITY_LOG; 

edscott   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


jmdavis   1.0693E+12


edscott   1.0693E+12


edscott   1.0693E+12


Thanks,
David 








Unreadable time_stamp format

2003-12-16 Thread Nguyen, David M
Title: Unreadable time_stamp format






I need to view time_stamp column in USER_ACTIVITY_LOG table but it displays unreadable format as shown below. Is there a way to decode it to be readable?

SQL desc USER_ACTIVITY_LOG

Name Null? Type

-  

TIME_STAMP NOT NULL NUMBER(20)

NODE_NAME NOT NULL VARCHAR2(20)

USER_NAME NOT NULL VARCHAR2(20)

CLIENT_IP  NOT NULL VARCHAR2(15)

DESCRIPTION NOT NULL VARCHAR2(2048)


SQLselect user_name, time_stamp from USER_ACTIVITY_LOG;

edscott 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

jmdavis 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

Thanks,
David




RE: Unreadable time_stamp format

2003-12-16 Thread Nguyen, David M
Title: Unreadable time_stamp format









Now I got.



USER_NAME TIME STAMP

  --

eholley
1069716948959

jmdavis
1069715246467

jmdavis
1069715324466





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Bobak,
Mark
Sent: Tuesday,
 December 16, 2003 3:54 PM
To: Multiple recipients of list
ORACLE-L
Subject: RE: Unreadable time_stamp
format





Since it's a NUMBER
datatype, try:





SQL column
time_stamp format 





SQL select
user_name, time_stamp from USER_ACTIVITY_LOG;











-Original
Message-
From: Nguyen, David M
[mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003
4:39 PM
To: Multiple recipients of list
ORACLE-L
Subject: Unreadable time_stamp
format

I need to
view
time_stamp column in USER_ACTIVITY_LOG table but it displays unreadable
format as shown below. Is there a way to decode it to be readable?

SQL desc USER_ACTIVITY_LOG

Name
Null? Type

-
 

TIME_STAMP
NOT NULL NUMBER(20)

NODE_NAME
NOT NULL VARCHAR2(20)

USER_NAME
NOT NULL VARCHAR2(20)

CLIENT_IP

NOT
NULL VARCHAR2(15)

DESCRIPTION
NOT NULL VARCHAR2(2048)



SQLselect user_name, time_stamp from USER_ACTIVITY_LOG;

edscott 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

jmdavis 1.0693E+12

edscott 1.0693E+12

edscott 1.0693E+12

Thanks,
David










Could not run export utility from cron job

2003-12-10 Thread Nguyen, David M
Title: Could not run export utility from cron job






I am able to run export utility from CLI manually but when I schedule it to run from cron job on SUN Solaris8 it fails to run as it does not recognize exp command. Does someone have any idea? Below is the command I run export manually.

$exp user/password tables.dmp

Thanks,
David




Who is querying database info using dblink

2003-12-08 Thread Nguyen, David M
How do I check who is querying database information via database link?

Thanks,
David
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Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
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  INET: [EMAIL PROTECTED]

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Location of trace files and alert log

2003-07-10 Thread Nguyen, David M
Title: Location of trace files and alert log






How do I locate where all trace files and alert log are saved? There is no parameter setup in init.ora file.

Thanks,

David




RE: Perl Book

2003-03-13 Thread Nguyen, David M









Programming the Perl DBI from Oreilly is
really good for your need.







-Original Message-
From: Farnsworth, Dave
[mailto:[EMAIL PROTECTED] 
Sent: Thursday, March 13, 2003
8:59 AM
To: Multiple recipients of list
ORACLE-L
Subject: RE: Perl Book





http://www.oreilly.com/catalog/oracleperl/











Play your cards right and
you may even get an autographed copy. ;o)











Dave





-Original
Message-
From: Jeffrey Beckstrom [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 13, 2003
8:04 AM
To: Multiple recipients of list
ORACLE-L
Subject: OTC: Perl Book



Looks like I have a need
write a Perl program to access a database. Any suggestions on a good
book.























Jeffrey Beckstrom
Database Administrator
Greater Cleveland Regional Transit Authority
1240 W. 6th Street
Cleveland, Ohio 44113
(216) 781-4204












RE: Date format is unreadable

2003-03-07 Thread Nguyen, David M
Title: RE: Date format is unreadable





It works better but it still does give correct output. I'd like to see hour,min,sec as well.


 
 1 select user_name,node_name,to_date('01/01/1970', 'MM/DD/') + time_stamp / 86400 from user_activity_log
 2 from user_activity_log 
 3 where user_name = 'admin' 
 4* order by time_stamp 
SQL / 
 
USER_NAME NODE_NAME TO_DATE(' 
  - 
admin Insight Server 01-MAY-19 
admin Insight Server 11-MAY-03 
admin Insight Server 11-NOV-01 
admin Insight Server 24-DEC-13 


Thanks,
David



-Original Message-
From: Stephane Faroult [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, March 05, 2003 4:40 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: Date format is unreadable


Ooops. Should have written


to_date('01/01/1970', 'MM/DD/') + TIME_STAMP / 86400


The timestamp is in seconds since 1/1/1970, while Oracle date arithmetic
is in days.


Sorry.



Nguyen, David M wrote:
 
 Yes, it is a Unix timestamp. I use your syntax and I got following error.
 
 1 select
 user_name,client_ip,node_name,to_date('01/01/1970','MM/DD/')+tig
 2 where user_name = 'admin'
 
 3* order by time_stamp
 
 SQL /
 
 select user_name,client_ip,node_name,to_date('01/01/1970','MM/DD/') +
 time_stamp from user_activity_log
 *
 
 ERROR at line 1:
 
 ORA-01841: (full) year must be between -4713 and +, and not be 0
 
 
 
 -Original Message-
 Sent: Wednesday, March 05, 2003 3:25 PM
 To: Multiple recipients of list ORACLE-L
 
 David,
 
 I presume that your date is a Unix timestamp.
 
 Try to see whether
 
 to_date('01/01/1970', 'MM/DD/') + TIME_STAMP
 
 yields something more meaningful to you ...
 
 --
 Regards,
 
 Stephane Faroult
 Oriole Software
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
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Date format is unreadable

2003-03-05 Thread Nguyen, David M








I try to query a report to check user activity but I could
not read date column. Is there a way to reformat the column to be
readable? Date colum calls "time_stamp" as shown below.



SQL desc user_activity_log


Name
Null?
Type 

-
 --

TIME_STAMP
NOT NULL NUMBER(20) 

NODE_NAME
NOT NULL VARCHAR2(20) 

USER_NAME
NOT NULL VARCHAR2(20) 

CLIENT_IP
NOT NULL VARCHAR2(15) 

DESCRIPTION
NOT NULL VARCHAR2(2048)





SQL select user_name,client_ip,node_name,time_stamp from user_activity_log

 where
user_name = 'admin'

 order
by time_stamp;



USER_NAME
CLIENT_IP
NODE_NAME TIME_STAMP


---  --

admin
NA
Insight Server 1.0397E+12

admin
NA
Insight Server 1.0402E+12

admin
NA
Insight Server 1.0433E+12










How to improve queries remotely

2003-03-05 Thread Nguyen, David M








What is a guideline to improve remotely query using database
link? 



Regards,
David








RE: Date format is unreadable

2003-03-05 Thread Nguyen, David M
Yes, it is a Unix timestamp.  I use your syntax and I got following error.

  1  select
user_name,client_ip,node_name,to_date('01/01/1970','MM/DD/')+tig
  2  where user_name = 'admin'

  3* order by time_stamp

SQL /

select user_name,client_ip,node_name,to_date('01/01/1970','MM/DD/') +
time_stamp from user_activity_log
   *

ERROR at line 1:

ORA-01841: (full) year must be between -4713 and +, and not be 0

 


-Original Message-
Sent: Wednesday, March 05, 2003 3:25 PM
To: Multiple recipients of list ORACLE-L

David,

 I presume that your date is a Unix timestamp.

Try to see whether

 to_date('01/01/1970', 'MM/DD/') + TIME_STAMP 

yields something more meaningful to you ...

-- 
Regards,

Stephane Faroult
Oriole Software
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Stephane Faroult
  INET: [EMAIL PROTECTED]

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RE: Snapshot refreshes are failing

2003-03-04 Thread Nguyen, David M
: [EMAIL PROTECTED]

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RE: What to check?

2003-03-03 Thread Nguyen, David M
Title: RE: What to check?





All three machines having the same amount of CPUs and memory, and he uses the same script to run on three machines, some of tables containing hundred thousands of records. Below is a portion of his script. Is there a way to improve his SQL command?

@Dumptables.sql


spool lata.csv 
select * from lata; 
spool off 
 
spool subscriber.csv 
select * from subscriber; 
spool off 
 
spool non_subscriber.csv 
select * from non_subscriber; 
spool off 
 
spool numbering_plan.csv 
select * from numbering_plan; 
spool off; 
 
spool service_area.csv 
select * from service_area; 
spool off 
 
spool carrier.csv 
select * from carrier; 
spool off 
 
spool escaped_number.csv 
select * from escaped_number; 
spool off 
 
exit; 



Regards,
David


-Original Message-
From: Mark Richard [mailto:[EMAIL PROTECTED]] 
Sent: Sunday, March 02, 2003 8:09 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: What to check?


David,


Have you checked the most obvious... The number of rows in the table?


Also, you say three different Solaris8 machines... How different are
they? Are the disk subsystems the same on all three? How identical are
their configurations? How similar are the init.ora files on all three
machines (perhaps sort_area_size or something similar depending on the
query to dump the table)? Unfortunately there's a lot of possibilities
about what might cause the slow down.


The other suggestions of wait events and execution plans are valid ideas.
Hopefully one of these will give a hint about where to look for the cause.


Regards,
 Mark.




 
 Nguyen, David 
 M To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED] 
 david.m.nguye cc: 
 [EMAIL PROTECTED] Subject: What to check? 
 Sent by: 
 [EMAIL PROTECTED] 
 om 
 
 
 01/03/2003 
 08:09 
 Please respond 
 to ORACLE-L 
 
 





Someone writes a SQL script to dump a table on three different database on
three different Solaris8 machines, he complaines one of machines took 6
hours to dump a table while other two's only take one hour. He asks me to
investigate why. I log into the machine in question to check I/O
statistic, memory, CPU usage and found no problem. What else should I
check here?



Regards,
David








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What to check?

2003-02-28 Thread Nguyen, David M
Title: What to check?





Someone writes a SQL script to dump a table on three different database on three different Solaris8 machines, he complaines one of machines took 6 hours to dump a table while other two's only take one hour. He asks me to investigate why. I log into the machine in question to check I/O statistic, memory, CPU usage and found no problem. What else should I check here?

Regards,
David





RE: Oracle Performance Tuning Exam

2003-02-27 Thread Nguyen, David M
Title: RE: Oracle Performance Tuning Exam









There are totally five exams we have to
pass to get certified, I'd like to know which exam should I take first
and what next in order?  



Thanks,

David



-Original Message-
From:
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Thursday, February 27, 2003
9:04 AM
To: Multiple recipients of list
ORACLE-L
Subject: RE: Oracle Performance
Tuning Exam



BTW, 

That is why I didn't spend more than a few hours
preparing for that exam. I already sensed that it would be a waste of
time in the long-run. 

-Original Message- 
From: Mogens Nørgaard [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, February 26, 2003
11:39 PM 
To: Multiple recipients of list
ORACLE-L 
Subject: Re: Oracle Performance
Tuning Exam 



Good posting. Thank you. This week Morten Egan from
Miracle A/S (who's 
on this list as well, I think) is
teaching the Tuning Class for Oracle 
Denmark, and he's had a few
comments as well about the materials. 

Morten, would you care to comment (in your usually
nice and easy 
manner?) If was, after all, you who
came with the unlearn quote below. 

Best regards, 

Mogens 

DENNIS WILLIAMS wrote: 

Mogens - I posted this note back in October.

 
-Original Message-

 

 

Sent: Saturday, October 05, 2002 4:08 PM 
 

To: '[EMAIL PROTECTED]' 
 

 


 
List 
 
I spent last week at an
official Oracle Education Oracle9i Performance 
Tuning Class, and here is some
of the non-technical stuff I learned. 
 
- Oracle is teaching the wait
interface more and more. In fact, they are 
updating the curriculum next
month to emphasize the wait interface even more 
(lucky me). 
 
- Just how the wait interface
is emphasized may depend quite a bit on the 
instructor, despite what the
materials say. My observation is that our 
opinions are based on what we
have experienced and our interpretations of 
those experiences. So we will
probably still have some instructors that will 
still feel that the wait
interface is a passing fad and if you really want 
to straighten out a database,
you need to get in there and improve the BHR 
(Buffer Hit Ratio).

 
- My instructor was John
Hibbard. He is excellent, and I would highly 
recommend him. He went well
beyond the class materials to providing papers 
he has researched and presented
himself, as well as other sources, including 
papers from Cary Milsap and
Jonathan Gennick who participate on this list. 
When you get through his class,
you really feel you have been taken to a 
whole new level of Oracle
knowledge. He is also heavily involved in 
selecting and preparing the
official Oracle training materials for the 
courses he teaches. Besides
Performance Tuning, he teaches several other 
Oracle classes. Most of the people
in my class happened to be more 
experienced with Oracle, and
John did a good job of answering advanced 
questions with some depth, but
not leaving the newbies in the dust. 
 
- A funny observation on buffer
hit ratio vs. wait interface. The last day 
of class is an opportunity to
take a really screwed-up database and apply a 
little of what you have
learned. The first scenario is titled Buffer 
Cache. So you run the
workload assignment and STATSPACK and look at the BHR 
and say wow, that is
bad, increase the buffer pool, and rerun the workload 
and STATSPACK. The BHR hasn't
changed much, so the tendency is to dumbly 
bump the buffer pool even more
and go again. Then you look down at the top 5 
waits section just below on the
first page of the STATSPACK report and see 
that the big wait item is
Scattered Read. Then you go dope slap and

realize this schema is missing
some critical indexes and table scanning it's 
little heart out. I just found
it ironic that some people have reported that 
some of the Oracle instructors
emphasize the BHR too much when the first 
Workshop Scenario has a great
example of why focusing on BHR can't solve 
many problems. But again, we
have experience vs. interpretation of 
experience. A real died-in-the
wool BHR fanatic would probably claim that 
BHR had solved the problem
because the first indication that something was 
wrong was spotting the bad BHR,
which led to other investigations. 
 
 
 
Dennis Williams 
 
DBA 
 
Lifetouch, Inc. 
 
[EMAIL PROTECTED] 
 
-Original Message-

Sent: Tuesday, February 25,
2003 10:24 PM 
To: Multiple recipients of list
ORACLE-L 
 
 
Yeah, if you've taken the
performance exam, you must now unlearn what you 
have learnt, to quote from Starwars.
I've considered creating a one- or 
two-day class that would put
people into the right track of thinking after 
having studied and passed that
exam. The other exams are more or less fine. 
The tuning one really - ahm -
could be improved... 
 
Mogens 
 
[EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
wrote: 
 
 
Guys, 
 
I took this exam after 12 hours
studying and missed 4 questions. I studied 
using the self-test software
(few practice exams) some memorization and the 
student guides from the 

RE: Embeded password in script

2003-02-25 Thread Nguyen, David M
Title: RE: Embeded password in script





Thank you, Jared. I have the book you wrote and will look into it.


Regards,
David


-Original Message-
From: Jared Still [mailto:[EMAIL PROTECTED]] 
Sent: Monday, February 24, 2003 4:51 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: Embeded password in script



The 'hide.c' program can be implemented and compiled to prevent
parameters from appearing to ps. I believe it still works properly on
most flavors of unix.


For the Perl for Oracle DBA's book we wrote one utililty that I had 
wanted for some time, a password database.


For jobs that I plan to run regularly from cron, I use the password
daemon pwd.pl and retrieve the passwords across the network
( encrypted with MD5 ).


If the job is a Perl script ( fairly likely around here ) the password
can't appear to PS, as no password is ever used on the command 
line.


It's handy for command line stuff as well, as I only need rights to
access the password database via the password daemon. I don't
have to know the database passwords to login to the account.


e.g. sqlplus system/$(pwc.pl -instance dv01 -username jkstill)@dv01


This is the single most useful utility we put in that book IMO.


Jared



On Monday 24 February 2003 14:02, STEVE OLLIG wrote:
 i'll take the first one...

 on UNIX you could use a secret hidden file with appropriate permissions
 where each line has the format ORACLE_SID:USER:password

 then use awk to parse the file for the line with the correct $ORACLE_SID
 and $USER, and set an environment variable to the password string. Then
 your scripts could use that variable with sqlplus instead of the hardcoded
 password.

 in ksh it could look something like this:
 export password=\
 `awk -F: '$1 == sid  $2 == dbimpl {print $3}' mySecretHiddenFile`

 be warned that if you call sqlplus like this in your scripts:
 sqlplus dbimpl/${password} @SQLscript.sql
 someone could still see the Oracle password with a sneaky ps command while
 your script is running.

 a very similar approach could be taken with perl if awk isn't your cup of
 tea.

 -Original Message-
 Sent: Monday, February 24, 2003 2:54 PM
 To: Multiple recipients of list ORACLE-L


 I have been tasked to write a script to run SQL. I don't want a password
 field to be shown in the script. Does someone have run into this and have
 a better idea? For example, I have following line in my script.

 Sqlplus dbimpl/password @SQLscript.sql


 Also, from command line we go through following steps to shutdown database,
 how do I code these steps in the script?

 $svrmgrl
 SVRMGRLconnect internal
 SVRMGRLshutdown


 Thanks in advance,
 David
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RE: Sun admininstrator

2003-02-25 Thread Nguyen, David M









What's requirements?



David



-Original Message-
From: John Shaw
[mailto:[EMAIL PROTECTED] 
Sent: Tuesday, February 25, 2003
5:04 PM
To: Multiple recipients of list
ORACLE-L
Subject: Sun admininstrator





I normally wouldn't post this kind
of thing on this forum - but since the job market stinks ya'all might know
someone who's looking.





Mycompany has an opening for
a experienced Solaris admin. We are installing a F 12k (32processor) and they
want somebody with experience on it and haven't found anyone locally yet.
Also have a Hitachi SAN (99000 lightning 2 T) so SAN experience is also wanted.
Unfortunately (please no flames - it's not me ) we don't have relo or can we
accept H1-b's. We are a private prison management companyheadquartered in
Nashville, Tn. We are putting severalgood sizedOracle
databases on it (there's my Oracle connection). If you know anyone looking send
them my email.





Thanks 





[EMAIL PROTECTED]










It takes too long to shutdown database

2003-02-25 Thread Nguyen, David M
Title: It takes too long to shutdown database





I try to bounce database by shutting it down and starting it back up but it just hang in there for almost 45 minutes trying to shut down. It is running on Solaris8, I can press Ctrl+C to interrupt it or issue a kill command to kill it but I hesitate to do so. Do you have any advices and why it takes too long to shutdown database? It usually only takes me about 3 minutes to bounce database.

Thanks,
David





Upgrading from 8.1.5 to 8.1.6

2003-02-24 Thread Nguyen, David M
After upgrading oracle database from V8.1.5 to V8.1.6, a new directory is
created to store new version's files and the old directory of old version
8.1.5 is still there.  Is is safe to remove the old directory to save disk
spaces on the disk?  Is there any files being linked to the old version
after upgrading?

Regards,
David
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Export generates ORA-04031 error

2003-02-24 Thread Nguyen, David M
I received following errors during export.  I had increased shared_pool_size
in configuration file several times, it just fixed the problem for couple
weeks then now I received the same problem.  Is there a better way to fix
this issue permanently?  And what is the maximum limit size can I increase
shared_pool_size?  Currenlty it is increased from 500 to 900.

EXP-8: ORACLE error 4031 encountered
ORA-04031: unable to allocate 4096 bytes of shared memory (shared
pool,BEGIN :1 := SYS.DBMS_REFR...,PL/SQL MPCODE,BAMIMA: Bam
Buffer)
EXP-00083: The previous problem occurred when calling
SYS.DBMS_REFRESH_EXP_SITES.schema_info_expacle


Thanks,
David
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Embeded password in script

2003-02-24 Thread Nguyen, David M
I have been tasked to write a script to run SQL.  I don't want a password
field to be shown in the script.  Does someone have run into this and have a
better idea?  For example, I have following line in my script.

Sqlplus dbimpl/password @SQLscript.sql


Also, from command line we go through following steps to shutdown database,
how do I code these steps in the script?

$svrmgrl
SVRMGRLconnect internal
SVRMGRLshutdown 


Thanks in advance,
David
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RE: Embeded password in script

2003-02-24 Thread Nguyen, David M
O/S is solaris8
Oracel V8.0.5

Thanks,
David

-Original Message-
Sent: Monday, February 24, 2003 3:25 PM
To: [EMAIL PROTECTED]


Since you didn't include the OS you have, I won't guess what the answer
should be.

Please consider that the answer is dependent upon which OS in underneath
Oracle.



 

  Nguyen, David M

  [EMAIL PROTECTED]To:   Multiple recipients
of list ORACLE-L [EMAIL PROTECTED]   
  o.com   cc:

  Sent by: Subject:  Embeded password in
script
  [EMAIL PROTECTED]

 

 

  02/24/2003 12:54

  PM

  Please respond to

  ORACLE-L

 

 





I have been tasked to write a script to run SQL.  I don't want a password
field to be shown in the script.  Does someone have run into this and have
a
better idea?  For example, I have following line in my script.

Sqlplus dbimpl/password @SQLscript.sql


Also, from command line we go through following steps to shutdown database,
how do I code these steps in the script?

$svrmgrl
SVRMGRLconnect internal
SVRMGRLshutdown


Thanks in advance,
David
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RE: Upgrading from 8.1.5 to 8.1.6

2003-02-24 Thread Nguyen, David M
Title: RE: Upgrading from 8.1.5 to 8.1.6





I think that's a good idea.


Thanks,
David


-Original Message-
From: Ball, Terry [mailto:[EMAIL PROTECTED]] 
Sent: Monday, February 24, 2003 2:54 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Upgrading from 8.1.5 to 8.1.6


What we do is rename the 8.1.5 directory to indicate it is the old directory
(i.e, 8.1.5_old). If nothing breaks after a week or two, then the directory
and its contents are removed.


Terry Ball, DBA
Birch Telecom
Work: 816-300-1335
FAX: 816-300-1800



-Original Message-
Sent: Monday, February 24, 2003 9:34 AM
To: Multiple recipients of list ORACLE-L



After upgrading oracle database from V8.1.5 to V8.1.6, a new directory is
created to store new version's files and the old directory of old version
8.1.5 is still there. Is is safe to remove the old directory to save disk
spaces on the disk? Is there any files being linked to the old version
after upgrading?


Regards,
David
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Updating error

2003-02-11 Thread Nguyen, David M
I attempt to update a record and receive following error.  How do I fix it?

update trunkgroup 
set originating_carrier = 0110,trunkgroup_id2 = 606,'
where trunkgroup_id = '0TWPAAEDS0' and gateway_id = 'GAAA0';


ERROR at line 1:

ORA-02291: integrity constraint (DBIMPL.CARRIER_FK9) violated - parent key
not found


Thanks,
David
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Which rollback segment is currently active?

2003-02-04 Thread Nguyen, David M
Title: Which rollback segment is currently active?





I have three rollback segments which all show ONLINE. I want to drop one of them but I need to know which one should I drop. How do I find out which one is good to drop?

SVRMGR select segment_name,owner,tablespace_name,status from dba_rollback_segs;


SEGMENT_NAME OWNER TABLESPACE_NAME STATUS 
-- -- -- ---
RBS01 PUBLIC RBS ONLINE 
RBS02 PUBLIC RBS ONLINE 
RBS04 PUBLIC RBS ONLINE 



Thanks,
David





RE: Replication question

2003-01-23 Thread Nguyen, David M
Title: RE: Replication question





We don't update data on slaves, we update data from master then slave pull data from the master every 5 minutes.


David


-Original Message-
From: BigP [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, January 22, 2003 7:59 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: Replication question


it depends on how you are updating slave databases .
-bp


- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Wednesday, January 22, 2003 3:39 PM



 We have four machines setup as slave databases which get updated data from
 one Master database every 5 minutes. The question is how do I know all
 slave machines get updated data completely from the master database,
another
 word is how do I know there is no missing data when slave machines
replicate
 from the master database?

 Thanks,
 David
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Replication question

2003-01-22 Thread Nguyen, David M
We have four machines setup as slave databases which get updated data from
one Master database every 5 minutes.  The question is how do I know all
slave machines get updated data completely from the master database, another
word is how do I know there is no missing data when slave machines replicate
from the master database?

Thanks,
David 
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Comparing between two tables

2003-01-15 Thread Nguyen, David M
Is it a way to compare two tables to see the differences?  We have problem
with our database, someone input new data into database that causes problem,
we want to find and remove those entries from that table.

Thanks,
David 
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ORA-04031

2002-12-19 Thread Nguyen, David M
I received ORA-04031 while exporting database.  Can someone explain what
causes it and how to fix it?


. exporting post-schema procedural objects and actions
EXP-8: ORACLE error 4031 encountered
ORA-04031: unable to allocate 4096 bytes of shared memory (shared
pool,BEGIN :1 := SYS.DBMS_REFR...,PL/SQL MPCODE,BAMIMA: Bam
Buffer)
EXP-00083: The previous problem occurred when calling
SYS.DBMS_REFRESH_EXP_SITES.schema_info_exp
. exporting statistics
Export terminated successfully with warnings.


Thanks,
David
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RE: Increase size of data files and rollback segments

2002-12-10 Thread Nguyen, David M
Jeremiah,

I am seeking for help.  If you are not willing to help then just SHUT your
mouth.  I don't think we welcome such people like you here.


David


-Original Message-
Sent: Monday, December 09, 2002 5:39 AM
To: Multiple recipients of list ORACLE-L


On Mon, 9 Dec 2002, Nguyen, David M wrote:

 How do I increase size of oracle data files and rollback segments and Can
I
 do it when database is online?

Unfortunately these sizes are fixed, and based on your level of
license with Oracle Corp.  If you need to increase the size of your
datafiles or rollback segments, you must contact your Oracle sales
representative and request additional power units.

If you find that you run in a dynamic enough environment, you may wish
to upgrade to a more sophisticated database system such as MS SQL
Server or Filemaker Pro, both of which allow dynamic resizing.

:-)

--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton

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RE: Increase size of data files and rollback segments

2002-12-10 Thread Nguyen, David M
Alright guys, just because you know Jeremiah better than me so you can take
his joke.  My apology to him as I did not recognize it was a joke, however
when I am asking for help from the group, I am in a situation to resolve
problem ASAP and hope to find a answer not a joke.

If you were in my situation, you would understand.



-Original Message-
Sent: Tuesday, December 10, 2002 1:26 PM
To: Multiple recipients of list ORACLE-L


Thanks, I had to drop off the Lazy DBA list because of all the sniping.  I
would hate to have to drop off Jared's list too.
Ruth
- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, December 10, 2002 1:20 PM


 1) he's reading the list while traveling
 2)  I'm having dinner with him tonight I'll tell him

 :)

 --- Ruth Gramolini [EMAIL PROTECTED] wrote:
  Stop fighting children, or I will have to tell Daddy Jared when he
  gets
  back.  Ruth
  - Original Message -
  To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
  Sent: Tuesday, December 10, 2002 12:15 PM
 
 
   I disagree!  I do welcome Jeremiah's input on this list.  David, I
  think
  you
   missed the smiley attached to his message.
  
   -Original Message-
   Sent: Tuesday, December 10, 2002 10:50 AM
   To: Multiple recipients of list ORACLE-L
  
  
   Jeremiah,
  
   I am seeking for help.  If you are not willing to help then just
  SHUT your
   mouth.  I don't think we welcome such people like you here.
  
  
   David
  
  
   -Original Message-
   Sent: Monday, December 09, 2002 5:39 AM
   To: Multiple recipients of list ORACLE-L
  
  
   On Mon, 9 Dec 2002, Nguyen, David M wrote:
  
How do I increase size of oracle data files and rollback segments
  and
  Can
   I
do it when database is online?
  
   Unfortunately these sizes are fixed, and based on your level of
   license with Oracle Corp.  If you need to increase the size of your
   datafiles or rollback segments, you must contact your Oracle sales
   representative and request additional power units.
  
   If you find that you run in a dynamic enough environment, you may
  wish
   to upgrade to a more sophisticated database system such as MS SQL
   Server or Filemaker Pro, both of which allow dynamic resizing.
  
   :-)
  
   --
   Jeremiah Wilton
   http://www.speakeasy.net/~jwilton
  
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   Please see the official ORACLE-L FAQ: http://www.orafaq.com
   --
   Author: Jeremiah Wilton
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Increase size of data files and rollback segments

2002-12-09 Thread Nguyen, David M



How do I increase size of oracle data files 
and rollback segments and Can I do it when database is online?

Thanks,David

  



Changing column format

2002-11-07 Thread Nguyen, David M
I create a table to store user account information and set userid column
to be primary key.  I now want to set username to be primary key instead
of userid, how do I change it?  There are couple hundreds of records in
table.  Please advise.

Thanks,
David
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Monitor replication via OEM

2002-10-28 Thread Nguyen, David M
Title: RE: Experience with Quest Shareplex




  I install oracle enterprise manager on 
  windows NT, create an event to monitor replication then stop replication on 
  slave database, check alarm from OEM but I don't see any alarms. Does 
  anyone use OEM to monitor replication? If so, please advise how to set 
  it up. 
  Thanks,David
  
  
  


RE: How to fix ORA-03113 error

2002-10-15 Thread Nguyen, David M

I have oracle8.0.5 running on Solaris8.  Here's trace file.  I don't think
there is problem with I/O.  How do I recover this error?


$more ssdb_lgwr_272.trc

Dump file /export/home/oracle/product/8.0.5/rdbms/log/ssdb_lgwr_272.trc
Oracle8 Enterprise Edition Release 8.0.5.2.1 - Production
PL/SQL Release 8.0.5.2.0 - Production
ORACLE_HOME = /export/home/oracle/product/8.0.5
System name:SunOS
Node name:  plab1
Release:5.8
Version:Generic_108528-03
Machine:sun4u
Instance name: SSDB
Redo thread mounted by this instance: 1
Oracle process number: 4
Unix process pid: 272, image: ora_lgwr_SSDB

*** SESSION ID:(3.1) 2002.10.13.02.19.02.000
error 204 detected in background process



-Original Message-
Sent: Monday, October 14, 2002 7:58 PM
To: Multiple recipients of list ORACLE-L


Your instance crashed because the lgwr died...  There should be a trace file
for lgwr in the bdump directory...  What does it say in the trace file?  Are
you having any filesystem issues?  The LGWR: terminating instance due to
error 204 means that there is an I/O error when accessing the
controlfile...  What version is your database...  What O/S are you on...
etc...  There seems to be some known bugs in this area...  Check
Note:1069812.6 on Metalink...

Tim

-Original Message-
Sent: Monday, October 14, 2002 8:19 PM
To: Multiple recipients of list ORACLE-L


I could not start database due to ORA-03113 error, someone please advise
what it means and how to fix it ASAP.  I really appreciate your help.

Thanks,
David



SVRMGR startup  
ORACLE instance started. 
Total System Global Area285236752 bytes  
Fixed Size  48656 bytes  
Variable Size75390976 bytes  
Database Buffers209715200 bytes  
Redo Buffers81920 bytes  
Database mounted.
ORA-03113: end-of-file on communication channel


***Alert.log:

Mon Oct 14 17:57:27 2002
Database mounted in Exclusive Mode. 
Completed: alter database  mount
Mon Oct 14 17:57:27 2002
alter database open 
Picked broadcast on commit scheme to generate SCNs  
Mon Oct 14 17:57:27 2002
Rolling back half complete log switch of thread 1   
LGWR: terminating instance due to error 204 
Instance terminated by LGWR, pid = 483  

  
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How to fix ORA-03113 error

2002-10-14 Thread Nguyen, David M

I could not start database due to ORA-03113 error, someone please advise
what it means and how to fix it ASAP.  I really appreciate your help.

Thanks,
David



SVRMGR startup  
ORACLE instance started. 
Total System Global Area285236752 bytes  
Fixed Size  48656 bytes  
Variable Size75390976 bytes  
Database Buffers209715200 bytes  
Redo Buffers81920 bytes  
Database mounted.
ORA-03113: end-of-file on communication channel


***Alert.log:

Mon Oct 14 17:57:27 2002
Database mounted in Exclusive Mode. 
Completed: alter database  mount
Mon Oct 14 17:57:27 2002
alter database open 
Picked broadcast on commit scheme to generate SCNs  
Mon Oct 14 17:57:27 2002
Rolling back half complete log switch of thread 1   
LGWR: terminating instance due to error 204 
Instance terminated by LGWR, pid = 483  

  
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RE: stupid RMAN question

2002-10-14 Thread Nguyen, David M


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Password is not case sensity and uncrypted

2002-10-04 Thread Nguyen, David M

Is password case-sensity in oracle database?  And how do I encrypt it as it
shows unencrypted in password field?

Thanks,
David
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RE: Tool to load data

2002-10-02 Thread Nguyen, David M



How do I get it for a trial?

David

  -Original Message-From: 
  [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]]Sent: Wednesday, 
  October 02, 2002 1:04 PMTo: Multiple recipients of list 
  ORACLE-LSubject: RE: Tool to load data
  TOAD 
  has a GUI SQL Loader interface. It lets you use a wizard to create the 
  CTL file, then you can later just re-load that file and execute the 
  load.
  
-Original Message-From: Nguyen, David M 
[mailto:[EMAIL PROTECTED]]Sent: Wednesday, October 02, 2002 
12:45 PMTo: Multiple recipients of list 
ORACLE-LSubject: Tool to load data
Hi all,

I'd like to know if there is some tool 
we can use to automate loading data into database using SQLLDR either via 
GUI or scripts. I need to allow someone to loginthe system to 
bulk load data without worrying he destroys database. Any advices will 
be appreciated.

Regards,David


table_changes

2002-10-02 Thread Nguyen, David M

I heard people said we can check table_changes to make sure data is actually
loaded into table using sqlldr.  If this is true, how do I verify data is
loaded by looking table_changes?

Thanks,
David
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Data file size growing causing high disk space.

2002-09-23 Thread Nguyen, David M

I have data files save under /export/home/oradata directory and this
directory shows 100% full disk space because of the growth of these files.
What should I do?

Thanks,
David
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RE: Data file size growing causing high disk space.

2002-09-23 Thread Nguyen, David M

Yes, I have autoextend turned on for some of them.  If I move them to a
different directory, how does oracle database recognize its new directory?
Is it something I need to setup in init.ora file?

Thanks,
David 

-Original Message-
Sent: Monday, September 23, 2002 12:13 PM
To: Multiple recipients of list ORACLE-L



Sent: Monday, September 23, 2002 11:05 AM
To: '[EMAIL PROTECTED]'
Cc: '[EMAIL PROTECTED]'


David - Do you have autoextend turned on for any of your datafiles? It is
pretty simple to relocate some of your datafiles to another disk drive if
that is your question. That datafile will be unavailable to your users for a
few moments while you move them. You definitely want to take care of this
issue immediately.

 
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
Sent: Monday, September 23, 2002 11:24 AM
To: Multiple recipients of list ORACLE-L


I have data files save under /export/home/oradata directory and this
directory shows 100% full disk space because of the growth of these files.
What should I do?

Thanks,
David
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How to load text file into database table

2002-09-20 Thread Nguyen, David M

I have a text file and need to load it into database table using sqlldr
utility.  Is there a way to load a text file? I know how to load csv file
but not text file.

*** Below is text file format.

Date: Wed Aug 29 10:43:53 CDT 2001 
Name: Paris By Night
Email: [EMAIL PROTECTED]
Phone: 202-333-
Location: Washington, DC
Equipment needing to access: EMS, , , , , 
Reason: Not working

I want to above data into useraccount table which has following columns.

date
username
email
phone
location
equipment
reason

Thanks in advance,
David

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Copy one user's table to another user's table

2002-09-11 Thread Nguyen, David M

How do I copy all data in one user's table to another user's table?

Regards,
David
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How to speed up import

2002-09-03 Thread Nguyen, David M

I do backup database nightly using export utility.  When I restore database
using import, it takes more than 6 hours to finish.  Is there a way to speed
up import process?  Please advise.

Thanks,
David
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Disadvantages/advantages of user_ind_columns

2002-08-27 Thread Nguyen, David M



I found a column_name "NPA_XXX"created 
in many many places in user_ind_columns. Does this have any disadvantages 
or advantages to oracle database such as slowing down SQL query or update 
table? 

Thanks,David


RE: It took more than an hour to update 10,000 records

2002-08-14 Thread Nguyen, David M

I am not testing your guys' skills I am honestly asking for help as I don't
have much experience about database.  I have a lots on my plate at work to
take care of that's why I don't have much time to check email or to
response.

Here are some stupid questions I need to ask...how do I turn trace on?
Regarding bulkload, I have no problem with bulkloading NEW records, it runs
fast for me but in this case I just want to UPDATE 10,000 records, can I use
bulkload to update records?

Regards,
David

-Original Message-
Sent: Wednesday, August 14, 2002 10:59 AM
To: Multiple recipients of list ORACLE-L


 I think the original poster was testing our skills since he posted his
problem and disappeared.

Also he asked for some init.ora parameter to make it faster:)

Regards,

Waleed



-Original Message-
To: [EMAIL PROTECTED]; Khedr, Waleed
Sent: 8/14/02 10:42 AM


It wasn't 20 seconds it was 15 seconds.

The same lessons apply.  Without knowing what else
is going on in the database, it's not possible to say why
it's taking an hour to insert 10k rows.

Using bind variables will drastically reduce the resources
consumed by the insert job.

Using SQL*loader with a generous bindsize argument would
be even better.

Running the queries on the wait interface is a start to learning
what the problem is.

But then, I'm sure you're already aware of all this, and I'm
no doubt preaching to the choir.

Jared

On Tuesday 13 August 2002 18:43, Khedr, Waleed wrote:
 His problem is not reducing 60 sec to 20 seconds but why an hour or
more
 was taken to update 10,000 rows.

 It's obvious there are other things (which I indicated in my email)
that
 need to be sorted out to reduce the hour to few minutes.

 Regards,

 Waleed

 -Original Message-
 Sent: Tuesday, August 13, 2002 9:08 PM
 To: Multiple recipients of list ORACLE-L


 David,

 You don't yet know why it's slow.

 Why not turn tracing on for the session doing the inserts and then
 run tkprof on the trace file?

 Since the inserts seem to be taking so long, you should also
 be able to join v$session_wait with v$session to catch the
 waits in action and determine exactly what they are.

 You should also join v$session and v$session_event while
 the insert job is running.

 Actually, using bind variables will probably help.  The insert
 statements will be less resource intensive and run much faster,
 and this will result in less contention for other sessions.

 My tests of insert statements with and without bind variables
 show that using bind variables resulted in an insert job
 of 27k rows running in 15 seconds and  1/100 sec of parse time.

 Not using bind variables required 60 seconds, 20 of which were
 CPU parse time.

 The increased run time also resulted in 3x as many buffer busy
 waits for other sessions trying to hit the same table.

 HTH

 Jared








 Nguyen, David M [EMAIL PROTECTED]
 Sent by: [EMAIL PROTECTED]
 08/13/2002 01:34 PM
 Please respond to ORACLE-L


 To: Multiple recipients of list ORACLE-L
[EMAIL PROTECTED]
 cc:
 Subject:RE: It took more than an hour to update 10,000
 records


 Is there a parameter that I can tune in init.ora file to improve this
 process?

 Thanks,
 David

 -Original Message-
 Sent: Tuesday, August 13, 2002 2:00 PM
 To: Multiple recipients of list ORACLE-L


 Bind variables will not buy you anything. The time taken is mainly
 dependent
 on the execution plan and the cardinality of the indexes being used.
Also
 any overhead like updating a column that's part of an index, triggers,
 referential constraints, etc.

 Waleed

 -Original Message-
 Sent: Tuesday, August 13, 2002 2:35 PM
 To: Multiple recipients of list ORACLE-L


 I run it on the server.  How do I use bind variables?

 Thanks,
 David

 -Original Message-
 Sent: Tuesday, August 13, 2002 1:13 PM
 To: Multiple recipients of list ORACLE-L


 From the look of your sql statements it seems that each
 statement will be hard parsed because the values are different.
 If you will use bind variables you can save a lot of time.

 Is the script runs on the server or from another computer?
 If you run the script from another computer you also have the
 network time added.

 Yechiel Adar
 Mehish
 - Original Message -
 To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
 Sent: Tuesday, August 13, 2002 6:24 PM

  Hi all,
 
  I write a script to update 10,000 records in my database and noticed
it

 took

  more than an hour to update 10,000 records.  The script just
includes

 10,000

  SQL update commands as shown below.  Is the time too long to update

 10,000

  records?  Is it a way to improve the update task to run faster.
Please
  advise.
 
  *** A portion of my update script is shown below:
 
  update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 206 and
npa_id

 =

  201 and lata_id = 224;
 
  update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 207 and
npa_id

 =

  201 and lata_id

It took more than an hour to update 10,000 records

2002-08-13 Thread Nguyen, David M

Hi all,

I write a script to update 10,000 records in my database and noticed it took
more than an hour to update 10,000 records.  The script just includes 10,000
SQL update commands as shown below.  Is the time too long to update 10,000
records?  Is it a way to improve the update task to run faster.  Please
advise.

*** A portion of my update script is shown below:

update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 206 and npa_id =
201 and lata_id = 224;

update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 207 and npa_id =
201 and lata_id = 224;


Thanks,
David
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RE: It took more than an hour to update 10,000 records

2002-08-13 Thread Nguyen, David M

I run it on the server.  How do I use bind variables?

Thanks,
David

-Original Message-
Sent: Tuesday, August 13, 2002 1:13 PM
To: Multiple recipients of list ORACLE-L


From the look of your sql statements it seems that each
statement will be hard parsed because the values are different.
If you will use bind variables you can save a lot of time.

Is the script runs on the server or from another computer?
If you run the script from another computer you also have the
network time added.

Yechiel Adar
Mehish
- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, August 13, 2002 6:24 PM


 Hi all,

 I write a script to update 10,000 records in my database and noticed it
took
 more than an hour to update 10,000 records.  The script just includes
10,000
 SQL update commands as shown below.  Is the time too long to update 10,000
 records?  Is it a way to improve the update task to run faster.  Please
 advise.

 *** A portion of my update script is shown below:

 update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 206 and npa_id =
 201 and lata_id = 224;

 update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 207 and npa_id =
 201 and lata_id = 224;


 Thanks,
 David
 --
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 --
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RE: It took more than an hour to update 10,000 records

2002-08-13 Thread Nguyen, David M

Is there a parameter that I can tune in init.ora file to improve this
process?

Thanks,
David

-Original Message-
Sent: Tuesday, August 13, 2002 2:00 PM
To: Multiple recipients of list ORACLE-L


Bind variables will not buy you anything. The time taken is mainly dependent
on the execution plan and the cardinality of the indexes being used. Also
any overhead like updating a column that's part of an index, triggers,
referential constraints, etc.

Waleed 

-Original Message-
Sent: Tuesday, August 13, 2002 2:35 PM
To: Multiple recipients of list ORACLE-L


I run it on the server.  How do I use bind variables?

Thanks,
David

-Original Message-
Sent: Tuesday, August 13, 2002 1:13 PM
To: Multiple recipients of list ORACLE-L


From the look of your sql statements it seems that each
statement will be hard parsed because the values are different.
If you will use bind variables you can save a lot of time.

Is the script runs on the server or from another computer?
If you run the script from another computer you also have the
network time added.

Yechiel Adar
Mehish
- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, August 13, 2002 6:24 PM


 Hi all,

 I write a script to update 10,000 records in my database and noticed it
took
 more than an hour to update 10,000 records.  The script just includes
10,000
 SQL update commands as shown below.  Is the time too long to update 10,000
 records?  Is it a way to improve the update task to run faster.  Please
 advise.

 *** A portion of my update script is shown below:

 update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 206 and npa_id =
 201 and lata_id = 224;

 update dbimpl.npa_nxx set ported_flag = 1 where nxx_id = 207 and npa_id =
 201 and lata_id = 224;


 Thanks,
 David
 --
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 --
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Times_tamp column unreadable format

2002-08-08 Thread Nguyen, David M

I try to read date/time from times_tamp column in my oracle database but I
could not read it using SQL query.  Is it a way to resolve it?

SQL select time_stamp from user_activity_log;

TIME_STAMP
--
1.0220E+12
1.0220E+12
1.0220E+12
1.0220E+12
1.0220E+12
1.0220E+12
1.0220E+12
1.0220E+12

Thanks,
David
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Display all privilleges belong to user

2002-08-01 Thread Nguyen, David M

How do I display all privilleges belong to an user?

Thanks,
David
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How to?

2002-07-11 Thread Nguyen, David M

Using LogMiner to read redo log, how do I tell a transaction is modified by
which user and where user logins from like what columns in LogMiner should
tell me this kind of information?

Thanks,
David
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RE: How to?

2002-07-11 Thread Nguyen, David M

Ramon,

I know how to setup LogMiner to run.  My question is if LogMiner can tell me
where an user is logging in from what computer?

Thanks,
David

-Original Message-
Sent: Thursday, July 11, 2002 4:15 PM
To: Multiple recipients of list ORACLE-L


Nguyen,

1) Be sure to have set the parameter UTL_FILE_DIR='d:\directorio'
2) Create the dictonary file
Execute the package DBMS_LOGMNR_D.BUILD('dictionary', 'd:\directorio');
3) Reset the list and create a new one
Execute the package DBMS_LOGMNR.ADD_LOGFILE('redo01.log',
dbms_logmnr.new);
4) Add more redos to analyze
Execute the package DBMS_LOGMNR.ADD_LOGFILE('redo01.log',
dbms_logmnr.addfile);
5) Perform the analysis
Execute
DBMS_LOGMNR.START_LOGMNR(dictionary='d:\directorio\dictionary');
6) Do a select from the V$LOGMNR_CONTENTS

HTH

Ramon



- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Thursday, July 11, 2002 12:48 PM


 Using LogMiner to read redo log, how do I tell a transaction is modified
by
 which user and where user logins from like what columns in LogMiner should
 tell me this kind of information?

 Thanks,
 David
 --
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 --
 Author: Nguyen, David M
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Increase size of REDO log

2002-07-08 Thread Nguyen, David M

How do I increase size of redo logs and how do I create additional redo
logs?

Thanks,
David
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RE: Increase size of REDO log

2002-07-08 Thread Nguyen, David M

How about if I use LogMiner to read redo log to check which transaction had
been modified in 5 days ago, how do I know which redo log to look at?

Thanks,
David

-Original Message-
Sent: Monday, July 08, 2002 1:04 PM
To: Multiple recipients of list ORACLE-L


First,

Check for the one that is not the current one.

Select * from V$log;

ALTER DATABASE DROP LOGFILE '/u01/oradata/orcl/redo01.log';

delete the file manually

ALTER DATABASE ADD LOGFILE '/u01/oradata/orcl/redo01.log' size 30M;

Change your size to your desire one.

For the other ones do the same.

To change the active one.

ALTER SYSTEM SWITCH LOGFILE;

hth

Ramon



- Original Message - 
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Monday, July 08, 2002 11:33 AM


 How do I increase size of redo logs and how do I create additional redo
 logs?
 
 Thanks,
 David
 -- 
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 -- 
 Author: Nguyen, David M
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RE: LogMiner errors

2002-07-03 Thread Nguyen, David M

I got the errors fixed.  The reason the errors were generated because it
could not find time interval between July 1 and July 2.  I was able read
redo log with LogMiner but now I come with another question why report
display output in HEX data and why it only shows username is SYS only?  I
want to look at some transactions which were made by DBIMPL user that is
not there.

==

**Redo log report:

USERNAME   LOG_ID TIMESTAMPSQL_REDO
-- --  -
   CAAACtAAAT';

SYS 24036 02-JUL-02insert into UNKNOWN.Objn:
   12(Col[1],Col[2],Col[3])
   values (HEXTORAW('c108'),
   HEXTORAW('c23b20'),HEXTOR
   AW('c106'));

SYS 24036 02-JUL-02delete from UNKNOWN.Objn:
   13 where Col[1] = HEXTORA
   W('c20c42') and Col[2] =

===

In addition, my database is running in NOARCHIVE mode does it mean I can not
go back to check what happened yesterday or couple days ago?

Is there a really good book about LogMiner that I can purchase or a website?

Thanks,
David


-Original Message-
Sent: Wednesday, July 03, 2002 6:13 AM
To: Multiple recipients of list ORACLE-L


I believe also that you can't actually run LogMiner against an 8.0
database but have to generate the dictionary file (which you can do)
and then run the mining procedure with the dictionary file against an
8.1.x database


--- [EMAIL PROTECTED] wrote:
 David,
 
 I recall that there is a limit (42 characters?) on the name of the
 dictionary file.
 2 ways round it. Create the file in the top level ie /export/dict.ora
 or
 create a symbolic link with a shorter name.
 I have a page on my web site which mentions this problem
 (www.hcresources.co.uk).
 Unfortunately I do not (yet) have internet access at my new site and
 cannot
 recall what exactly is on the page (I do recall it is not yet
 finished)
 
 HTH
 
 John
 
 -Original Message-
 Sent: 02 July 2002 19:19
 To: Multiple recipients of list ORACLE-L
 
 
 I tried to run LogMiner to view transactions on Oracle8.0 using
 LogMiner and
 received following errors. Can someone please help me to fix errors. 
 This
 is HIGH priority that I am working to try to find out who messed up
 our
 database per my Manager.
 
 SQL begin
   2  sys.dbms_logmnr.start_logmnr(
   3  DictFileName = '/export/home/oracle/LogMiner/dictionary.ora',
   4  StartTime = to_date('01-Jul-2002 08:00:00AM','DD-MON-
 HH:MI:SSAM'),
   5  EndTime = to_date('02-Jul-2002 12:00:00AM','DD-MON-
 HH:MI:SSAM'));
   6  end;
   7  /
 begin
 *
 ERROR at line 1:
 ORA-01280: Fatal LogMiner Error.
 ORA-06512: at SYS.DBMS_LOGMNR, line 42
 ORA-06512: at line 2
 
 
 Thanks,
 David
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Redo log

2002-07-02 Thread Nguyen, David M

I found couple redo logs in my Oracle8.0.5 database, as shown they are
switched every 5 minutes.  I'd like to have only two or three logs out there
and don't want them to be switched until every 4 hours.  Is there a way to
control it that way?  

Secondly, if redo log switchs every 5 minutes, does LogMiner have capability
to view transaction history from two days ago?  Please advise.


$ ls -l redo*  
-rw-r-   1 oracle   dba   512512 Jul  2 11:20 redo01.log   
-rw-r-   1 oracle   dba   512512 Jul  2 11:20 redo02.log   
-rw-r-   1 oracle   dba   512512 Jul  2 11:15 redo03.log   
-rw-r-   1 oracle   dba   512512 Jul  2 11:20 redo03_1.log 
-rw-r-   1 oracle   dba   512512 Jul  2 11:20 redo03_2.log 
-rw-r-   1 oracle   dba   512512 Jul  2 11:15 redo04.log   


Thanks,
David
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LogMiner errors

2002-07-02 Thread Nguyen, David M

I tried to run LogMiner to view transactions on Oracle8.0 using LogMiner and
received following errors. Can someone please help me to fix errors.  This
is HIGH priority that I am working to try to find out who messed up our
database per my Manager.

SQL begin
  2  sys.dbms_logmnr.start_logmnr(
  3  DictFileName = '/export/home/oracle/LogMiner/dictionary.ora',
  4  StartTime = to_date('01-Jul-2002 08:00:00AM','DD-MON-
HH:MI:SSAM'),
  5  EndTime = to_date('02-Jul-2002 12:00:00AM','DD-MON- HH:MI:SSAM'));
  6  end;
  7  /
begin
*
ERROR at line 1:
ORA-01280: Fatal LogMiner Error.
ORA-06512: at SYS.DBMS_LOGMNR, line 42
ORA-06512: at line 2


Thanks,
David
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How to read REDO log

2002-07-01 Thread Nguyen, David M
Title: RE: ORA-27101 Error



Can I setup LogMiner to read REDO log of 
Oracle8.0.5? Someone tells me LogMiner only works for Oracle8.1 or above, 
is it correct?Is there another tool to read REDO log besides 
LogMiner?

Thanks,David


How to make SQLLDR to run faster?

2002-06-20 Thread Nguyen, David M

I try to insert 14,000 rows into oracle database using SQLLDR and it takes
too long to finish (around an hour).  Is there a way to improve SQLLDR to
make it run faster?  For example, if modify parameter file will help?

Thanks,
David

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SQL question

2002-04-24 Thread Nguyen, David M

How do I list all user accounts created in a database?  And how do I list
all user table indexes?

Thanks,
David
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Errors with web forms using DBI

2002-04-23 Thread Nguyen, David M

I am creating web forms for user to query, insert, update data using DBI to
access oracle database.  The question is why all blank lines don't shown as
they insert into the form, and whenever single quote ' or double-quote  is
used, web server generates errors and not accepted their submittion.  Is
there a way to fix these problems?

Thanks,
David
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Replication errors

2002-04-15 Thread Nguyen, David M

I have problem with our database replication between Master and Slaves.
Looked at alert.log, I found following errors.  Can someone please explain
to me what following errors mean and how do I fix them?

ORA-01001: invalid cursor
ORA-06512: at SYS.DBMS_SNAPSHOT, line 386
ORA-06512: at SYS.DBMS_IREFRESH, line 450
ORA-06512: at SYS.DBMS_REFRESH, line 182

Thanks,
David Nguyen
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RE: Solaris 2.8

2002-04-12 Thread Nguyen, David M

I have Oracle8 running on solaris8 for more than a year and don't see any
problem.


David

-Original Message-
Sent: Friday, April 12, 2002 10:26 AM
To: Multiple recipients of list ORACLE-L


Hi friends and gurus,

Anybody has had (or has heard from friends of) any bad experience with
Oracle 8 running on Solaris 8.  I know that the first supported version on
Solaris 8 is 8.0.5.  If you know of some I would appreciate f you could
share it, and specify which version and patch release.

Thanks a lot.

Djordje 
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Currently log-in users

2002-04-11 Thread Nguyen, David M

How do I check who is currently logging into database, where he is accessing
from and what he is doing?

Thanks,
David
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RE: OEM Error On Unix

2002-04-11 Thread Nguyen, David M

Try

oemctrl start oms



-Original Message-
Sent: Thursday, April 11, 2002 11:26 AM
To: Multiple recipients of list ORACLE-L


Hell All,
I am seeing the following error , when I am trying to start OEM console on
HP Unix. Any Idea , what I am missing and would like to know , what is this
Management server and how to start it on HP Unix .. Thanks in advance



 ...OLE_Obj... 


Thanks,
Madhu V Reddy
Database Support Services
(952) 324-0392 ( work )



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RE: Currently log-in users

2002-04-11 Thread Nguyen, David M

Thanks for the script.  It is useful for me.

David

-Original Message-
Sent: Thursday, April 11, 2002 12:09 PM
To: Multiple recipients of list ORACLE-L


Try either of 1 script and make changes according to your requirement:

1)
col LOGIN_TIME format a12
COL OSUSER FORMAT A7
COL ORACLE_USER FORMAT A8
COL PROGRAM FORMAT A25
COL PROCESS_NR FORMAT A8
col uur format A5
select to_char(a.logon_time,'DD/MM HH24:MI') LOGIN_TIME,
to_char(round(c.seconds_in_wait/3600,0))||'.'||
to_char(round(mod(c.seconds_in_wait,3600)/60,0)) HOUR,
a.osuser OS_USER,
a.username ORACLE_USER,
b.program PROGRAM,
b.spid PROCESS_NR,
a.sid SID,
a.serial# SERIAL#
from v$session a,
v$process b,
v$session_wait c
where a.paddr=b.addr
and a.sid=c.sid
/

2-

set linesize 120
select
SADDR,
SID,
SERIAL#,
PADDR,
substr(USERNAME,1,8) USER,
STATUS STATUS_,
SCHEMA#,
OSUSER,
PROCESS,
LOGON_TIME,
LAST_CALL_ET
from v$session
order by osuser
/

Regards
Rafiq




Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Date: Thu, 11 Apr 2002 07:53:26 -0800

How do I check who is currently logging into database, where he is accessing
from and what he is doing?

Thanks,
David
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MOHAMMAD RAFIQ


_
Join the world's largest e-mail service with MSN Hotmail. 
http://www.hotmail.com

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RE: OEM Error On Unix

2002-04-11 Thread Nguyen, David M

Try to do

$which oemctrl  

or 

$find / -name *oem* -print


Someone on the distro might add in comments


David


-Original Message-
Sent: Thursday, April 11, 2002 1:04 PM
To: Multiple recipients of list ORACLE-L


I could not see this on HP-UNIX client ( $OH/bin ) where I have installed
all the Oracle Client ( Administration ),
Would you let me know the location , where I can find this on UNIX

--Madhu

-Original Message-
Sent: Thursday, April 11, 2002 12:29 PM
To: Multiple recipients of list ORACLE-L


Try

oemctrl start oms



-Original Message-
Sent: Thursday, April 11, 2002 11:26 AM
To: Multiple recipients of list ORACLE-L


Hell All,
I am seeing the following error , when I am trying to start OEM console on
HP Unix. Any Idea , what I am missing and would like to know , what is this
Management server and how to start it on HP Unix .. Thanks in advance



 ...OLE_Obj... 


Thanks,
Madhu V Reddy
Database Support Services
(952) 324-0392 ( work )



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RE: Export taking to long

2002-04-09 Thread Nguyen, David M

Does it happen everytime you do export or just once awhile?

David

-Original Message-
Sent: Tuesday, April 09, 2002 9:28 AM
To: Multiple recipients of list ORACLE-L


I have an export of a 16G database that is consistently taking 6 hours to
export.
It doesn't matter what time of the day or night the script is executed.
There is 
very little activity on the server.  Any ideas?

#!/bin/ksh
export ORACLE_SID=adprod
export ORACLE_HOME=`grep $ORACLE_SID /etc/oratab | cut -d : -f2`
PATH=$PATH:$ORACLE_HOME/bin:/usr/local/bin:.
export USERPASS=system/sysada2
#
# Create a new pipe each time
#
if [ -p exp_pipe_$ORACLE_SID ]
then rm exp_pipe_$ORACLE_SID
fi
mknod exp_pipe_$ORACLE_SID p

OUTFILE=/oracle_dba/expimp/adprod/adprod_exp_full_`date '+%m%d%y'`.dmp.Z
LOGFILE=/oracle_dba/expimp/adprod/adprod_exp_full_`date '+%m%d%y'`.log
#
# Begin compress job and export to pipe with userid and password hidden
#
compress  /oracle_dba/expimp/adprod/exp_pipe_adprod  $OUTFILE 
exp $USERPASS full=y compress=n consistent=y recordlength=65535 direct=y
file=/oracle_dba/expimp/adprod/exp_pipe_adprod log=
$LOGFILE



Ron Smith
DBA
Kerr-McGee Corp



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How to tune SQL and CPU usage

2002-04-05 Thread Nguyen, David M

Someone uses SQL to query data, he complains it takes too long to get
results back from oracle database.  He also notices there are many oracle
processes running on system that uses much CPU and causing system slow down.

Is there a way to tune SQL to improve query and to set maximum number of
running oracle processes?

Thanks,
David
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Ticket tracking system

2002-04-02 Thread Nguyen, David M

I develope a ticket database for people to open, close, re-open ticket to
update using oracle database.  My question is how do I use SQL command to
let people re-open a close ticket for updates?  When someone close a ticket,
delete command is executed and data is gone.  Please advise.

Thanks,
David
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RE: Ticket tracking system

2002-04-02 Thread Nguyen, David M

Thank you all very much for different advices.  I will give it a try.

Regards,
David

-Original Message-
Sent: Tuesday, April 02, 2002 3:18 PM
To: Multiple recipients of list ORACLE-L


Don't delete the row(s) you'll need later.  Perhaps add a column called
ticket_status char(1), that gets a default value of 'O' (open).  When you
close the ticket change the value to 'C' (closed).  To reopen change it back
to 'O'.


- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, April 02, 2002 11:38 AM


 I develope a ticket database for people to open, close, re-open ticket to
 update using oracle database.  My question is how do I use SQL command to
 let people re-open a close ticket for updates?  When someone close a
ticket,
 delete command is executed and data is gone.  Please advise.

 Thanks,
 David
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RE: How to calculate time using SQL

2002-04-01 Thread Nguyen, David M

Jack,

How about substracting a system date with a database replication date to get
difference of time?  Can you please give me a specific command?  


SQL select to_char(sysdate, 'Dy Mon Dd HH24:MI:SS ') from dual;

TO_CHAR(SYSDATE,'DYMONDD

Mon Apr 01 11:08:00 2002== System Time.


SQL select next_date from user_refresh;

NEXT_DATE

Mon Apr 01 11:11:01 2002  == Replication time.

Thanks,
David



-Original Message-
Sent: Monday, April 01, 2002 10:38 AM
To: Multiple recipients of list ORACLE-L


David,

Select (DateTime1 - DateTime2) * 24 * 60 * 60
From   Dual
;

Oracle date arithmetic results are in fractional days, so the above gets you
the number of seconds between two Date datatype arguments.  Of course you
can go ahead and multiply 24*60*60 to get Seconds/Day, but I prefer to leave
it that way so it's more obvious what my intent is.

Jack

Jack C. Applewhite
Database Administrator/Developer
OCP Oracle8 DBA
iNetProfit, Inc.
Austin, Texas
www.iNetProfit.com
[EMAIL PROTECTED]
(512)327-9068


-Original Message-
David M
Sent: Monday, April 01, 2002 9:48 AM
To: Multiple recipients of list ORACLE-L


Is it possible to calculate seconds using SQL?

For example, I'd like to subtract   these two time to get difference in
seconds:

10:20:32  -   10:25:29

Thanks,
David



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RE: How to calculate time using SQL

2002-04-01 Thread Nguyen, David M

It works.  Thank you so much, Jack.

David

-Original Message-
Sent: Monday, April 01, 2002 10:38 AM
To: Multiple recipients of list ORACLE-L


David,

Select (DateTime1 - DateTime2) * 24 * 60 * 60
From   Dual
;

Oracle date arithmetic results are in fractional days, so the above gets you
the number of seconds between two Date datatype arguments.  Of course you
can go ahead and multiply 24*60*60 to get Seconds/Day, but I prefer to leave
it that way so it's more obvious what my intent is.

Jack

Jack C. Applewhite
Database Administrator/Developer
OCP Oracle8 DBA
iNetProfit, Inc.
Austin, Texas
www.iNetProfit.com
[EMAIL PROTECTED]
(512)327-9068


-Original Message-
David M
Sent: Monday, April 01, 2002 9:48 AM
To: Multiple recipients of list ORACLE-L


Is it possible to calculate seconds using SQL?

For example, I'd like to subtract   these two time to get difference in
seconds:

10:20:32  -   10:25:29

Thanks,
David



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RE: How to calculate time using SQL

2002-04-01 Thread Nguyen, David M

Thanks for your advices, Stephane.

David

-Original Message-
Sent: Monday, April 01, 2002 12:19 PM
To: Multiple recipients of list ORACLE-L


Nguyen, David M wrote:
 
 Jack,
 
 How about substracting a system date with a database replication date to
get
 difference of time?  Can you please give me a specific command?
 
 SQL select to_char(sysdate, 'Dy Mon Dd HH24:MI:SS ') from dual;
 
 TO_CHAR(SYSDATE,'DYMONDD
 
 Mon Apr 01 11:08:00 2002== System Time.
 
 SQL select next_date from user_refresh;
 
 NEXT_DATE
 
 Mon Apr 01 11:11:01 2002  == Replication time.
 
 Thanks,
 David
 

David,

   If what you are after is measuring the lag between two replicated
databases, you may have to do something slightly more complicated. For
one thing, do not forget that system time is, most often that note, time
read by the system-engineer on his wrist-watch the last time he set the
date. If your machines do not take the time from a common source, you
may get a pessimistic or optimistic view, depending on the machine you
are looking at. I think that it's better to look how long it takes to
replicate from A to B and back - it will allow you to compare a A
timestamp to another A timestamp. Dividing by 2 will give you a fair if
not absolutely correct assessment of how long it takes to go from A to B
or B to A.
 Also, a good way to check how replication goes is to create a dummy
table with three columns, A_TIME_START, B_TIME and A_TIME_FINISH, to
store (on A) SYSDATE into A_TIME_START, to let replicate and have
triggers inserting SYSDATE into the ad hoc column everytime it reaches a
node.

HTH,

Stephane Faroult
Oriole Software
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Displaying time zone

2002-03-29 Thread Nguyen, David M

How do I display time zone in date format using SQL?

Thanks,
David
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Free scripts

2002-03-12 Thread Nguyen, David M

I try to find some scripts (PL/SQL package) to monitor my oracle database
such as tablespace, rollback segment, etc.  Does someone know a website that
has this?

Thanks,
David
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Re-open a ticket that is closed using SQL

2002-03-06 Thread Nguyen, David M

I am desinging a web base for user to open/update/close tickets using
oracle8i.  My question is how do I setup to let user re-open a close ticket
for updating.  I use SQL command delete to close ticket so the ticket
could not be re-open for updating.  Please advise.

Thanks,
David
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LIKE and % operator

2002-03-04 Thread Nguyen, David M

I am running oracle8i on solaris8.  I have a word ( General ) in my column
named subject, I try to run SQL using LIKE and % to grep any data having
the word ( General ) but it displayed no rows selected.  Does someone have
any idea why?  Below is my SQL I used.

SQL select * from sonusrpt where subject like '%general%';

no rows selected.


Thanks,
David
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How to restart SNMP daemon process

2002-02-26 Thread Nguyen, David M

How do I restart a daemon process on UNIX if it dies?

Thanks,
David
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How to import PDF files into Oracle database

2002-02-22 Thread Nguyen, David M

Is is possible to store PDF files in oracle database to allow user accesses
the files, open it and read it?  If so, please advise how.  I am using
oracle8i with DBI running on Solaris8.

Thanks,
David
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How to change timezone on unix

2002-02-15 Thread Nguyen, David M



How do I change timezone on 
unix?

Thanks,
David


Script stops running.

2002-02-08 Thread Nguyen, David M

Hi all,

I get a perl script to telnet to several machines on network to check
something I want to check.  When it trys to connect a machine which is down,
the script will stop running.  How do I tell it to continue to check the
next machine and ignore the one down?.  Below is my script.

Thanks,
David

==
#!/usr/local/bin/perl -w


use Net::Telnet;

   
%city = qw(host1 passwd
   host2 passwd

   host3 passwd
   host4 passwd );

 
$telnet = Net::Telnet-new

(

Timeout = 10,

Input_log = 'PSXreplication.log',

Prompt  = ('/[%:] $/'),

);

 

foreach $key (sort keys %city) {

 

$telnet-prompt(/$key%/i);  
$telnet-open($key);

$telnet-login('ssuser', $city{$key});

$telnet-prompt(/$key%/i);
$telnet-cmd('ls -l');  
print =\n\n;

$telnet-close($key);

 

} 
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Oracle process causes High CPU

2002-01-29 Thread Nguyen, David M

We have problem with oracle process ora_snp0 that causes high CPU and core
files on our system.  Does someone have idea how to fix it?  Please help.

Below is information captured from a trace file:

Dump file /export/home/oracle/product/8.0.5/rdbms/log/ssdb_snp0_16657.trc
Oracle8 Enterprise Edition Release 8.0.5.2.1 - Production
PL/SQL Release 8.0.5.2.0 - Production
ORACLE_HOME = /export/home/oracle/product/8.0.5
System name:SunOS
Node name:  pbna1
Release:5.6
Version:Generic_105181-26
Machine:sun4u
Instance name: SSDB
Redo thread mounted by this instance: 1
Oracle process number: 8
Unix process pid: 16657, image: ora_snp0_SSDB

*** 2002.01.29.03.13.33.000
*** SESSION ID:(7.11) 2002.01.29.03.13.32.000
Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object),
addr: 0x
5f4c6000
Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object),
addr: 0x
7f6c7d78
Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object),
addr: 0x
7f6c7d78Background_Core_Dump = FULL


Thanks,
David
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Oracle trace file on/off

2002-01-28 Thread Nguyen, David M

Hi all,

How do I find out if someone is running trace on oracle database and how do
I turn trace off?

Thanks,
David
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