I believe that this will flush those logs:
mysql reset master;
No.. It won't shrink any of InnoDB datafiles:
101Mib_logfile0
101Mib_logfile1
1.9Gibdata1
1.5Gibdata2
It could help if you have some MySQL binary logs:
hostname-bin.001
...
hostname-bin.00N
Best regards,
select t2.* from TableTwo t2 left join TableOne t1 on (t2.ID = t1.ID)
where t1.ID is NULL
- Original Message -
From: Phillip S. Baker [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, January 23, 2004 7:26 AM
Subject: Comparing Table IDs
Greetings all,
I have 3-4 tables of
* Andrew Boothman [EMAIL PROTECTED] [2004-01-23 03:28 +0100]:
I've got a box that has several IP addresses assigned to it, but I'd
like MySQL to listen on just one of those.
You can add bind-address=YOURIPADDRESS to the [mysqld]-section of
my.cnf and then restart mysqld.
See
yeah, I tried the new connector. but I'm getting strange results when using
a date field,
My sql looks like..
Where R_Date ? and R_Date ? and H_ID ?
My code looks like...
perparedStmt.setDate(1,new java.sql.Date(myDate.getTime()));
R_Date looks like...
R_Date date Not null
It
We are running a portal site using mysql and I have been trying to
sqeeze some more performance out of our 4-CPU Linix 2.4.20 intel box.
Our content is all read-only and we use in-memory temp tables a lot in
our queries. I was watching vmstat as I was issuing some queries and I
noticed that almost
Who has the world's largest OLTP running on MySQL? Appreciate URL containing details.
Thanks.
Hassan
Hi all,
I have an ID field in my database...it reads like this
ASS1
ASS23
ASS4
ASS10
ASS6
.
.
.
when i'm retrieving the data by taking ORDER BY clause it is sorting like this
ASS1
ASS10
ASS23
ASS4
ASS6
means its only sorting by the 4 the character. i want the sorting to be done like the
Hi,
==
I have an ID field in my database...it reads like this
ASS1
ASS23
ASS4
ASS10
ASS6
when i'm retrieving the data by taking ORDER BY clause it is sorting like
this
ASS1
ASS10
ASS23
ASS4
ASS6
means its only sorting by the 4 the character. i want the sorting to be done
like the following
==
Martijn Tonies wrote:
Hi,
==
I have an ID field in my database...it reads like this
ASS1
ASS23
ASS4
ASS10
ASS6
when i'm retrieving the data by taking ORDER BY clause it is sorting like
this
ASS1
ASS10
ASS23
ASS4
ASS6
means its only sorting by the 4 the character. i want the sorting to be done
HI all,
I am trying to use mysqldump for a new DB:
entered:
mysqldump --opt -uroot -p dbname dbBak
Output
mysqldump: Got error: 1044: Access denied for user: '[EMAIL PROTECTED]' to
database 'mdirect' when using LOCK TABLES
Then I logon as root (without specifing a db) - works
Hi,
I've wrote this lines of code
mysql_query(mp_cnn, UPDATE pg_info SET x=3, y=5 WHERE pg_id=0);
but when I controll my db the record isn't change.
Why?
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Hi,
I've wrote this lines of code
mysql_query(mp_cnn, UPDATE pg_info SET x=3, y=5 WHERE pg_id=0);
but when I controll my db the record isn't change.
Why?
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Sagar C Nannapaneni wrote:
ASS1
ASS23
ASS4
ASS10
ASS6
.
.
when i'm retrieving the data by taking ORDER BY clause it is sorting like this
ASS1
ASS10
ASS23
ASS4
ASS6
means its only sorting by the 4 the character.
No, it's not sorted by the first four characters but it's sorted
lexicographically
Hi all,
I'm investigating the Stored Procedures in MySQL 5, and I'm
wondering...
I've been looking through the procs table in mysql -
what does column db do? It stays null when I defined
a procedure.
And how can you get a list of available procedures?
SHOW PROCEDURE doesn't seem to work?
With
I'm not sure how much help I'll be since I have never had a problem
running MySQL on OSX in the two years I have been using it on OSX.
First, you should not need to use sudo or the root account for anything
you do with MySQL except maybe installing it.
Second, I would always specify the account
I'm attempting to collate a webpage showing results by various football
teams in various cup competitions, and am trying to minimise the number of
selects as best I can.
What I'm trying to get out in one statement is the number of home matches
played by Burnley, how many they've won, drawn and
mmm I've deleted a select before the update function
-- SELECT --
// usiamo mysql_real_query al posto di mysql_query xche' la prima e'
piu' veloce
if (mysql_real_query(mp_cnn, c_query, strlen(c_query)) != 0)
return (-1);
else
{
mp_res = mysql_use_result(mp_cnn);
hi all,
I have a very strange problem with some indexes.
It is a unique index on a column containing null data.
when I do a query like
select * from xxx where yyy is null
I get only one row (the first) but I know there is more.
recentely, this table switched to innodb and we changed the server.
At 06:49 AM 1/23/2004, Sagar C Nannapaneni wrote:
Hi all,
I have an ID field in my database...it reads like this
ASS1
ASS23
ASS4
ASS10
ASS6
.
.
.
when i'm retrieving the data by taking ORDER BY clause it is sorting like this
ASS1
ASS10
ASS23
ASS4
ASS6
means its only sorting by the 4 the
The following might help, but will certainly be quite slow:
SELECT ... ORDER BY ABS(SUBSTRING(field, 4));
A better (and faster) solution will probably be indexing the records with
a numeric field, as usual.
Fred,
Doesn't MySQL always physically sort the rows and not use the
index to
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Brian Power wrote:
yeah, I tried the new connector. but I'm getting strange results when
using a date field,
My sql looks like..
Where R_Date ? and R_Date ? and H_ID ?
My code looks like...
perparedStmt.setDate(1,new
I could use some help with restoring a backup.
I have a backup file, generated using the mysqldump command. This file is
approximately one gigabyte in size. I use the following command to restore this backup
file:
mysql -u root DevDBs New.all.aca
When the command is finished executing, I
Can anyone explain why:
SELECT ROUND(.012345, 5)
- .01234
Why doesn't mysql round the 5 up to .01235? How do I get it to round up?
I've tried manipulating ceil, floor, round and truncate and I can't seam
to find an easy way to do this.
I read in the manual that this behavior depends on the C
Hi,
1) Try to reproduce the situation with pure myscl client (command-line
client).
2) There is no any MySQL parameter that change life time of temporary
tables.
Only two parameter that defines life time for connection to mysql:
- interactive_timeout The number of seconds the server waits for
Hi there,
I'm using MySQL 4.0.15 on RedHat 9.0.
I've got problem for which I can't figure out how to do it efficiently
without using a subquery. 4.1.0 isn't really an option since this is going
into a stable environment.
The table is like this.
+--+--++
| revision | id |
-Original Message-
From: Andrew Kuebler [mailto:[EMAIL PROTECTED]
Can anyone explain why:
SELECT ROUND(.012345, 5)
- .01234
Why doesn't mysql round the 5 up to .01235? How do I get it
to round up?
Oftentimes standard practice is to round up if the digit before the 5 is
odd,
Actually, no, it rounds to .01233.
-Original Message-
From: Andrew Kuebler [mailto:[EMAIL PROTECTED]
Can anyone explain why:
SELECT ROUND(.012345, 5)
- .01234
Why doesn't mysql round the 5 up to .01235? How do I get it
to round up?
Oftentimes standard practice is to round up
Hi,
I have email from Georg Richter about this problem in my MySQL archive:
From: Georg Richter [EMAIL PROTECTED]
Hi,
From http://www.mysql.com/doc/en/Mathematical_functions.html:
Note that the behaviour of ROUND() when the argument is half way between two
On 23 Jan 2004 at 12:13, Andrew Kuebler wrote:
Can anyone explain why:
SELECT ROUND(.012345, 5)
- .01234
Why doesn't mysql round the 5 up to .01235? How do I get it to round
up? I've tried manipulating ceil, floor, round and truncate and I
can't seam to find an easy way to do this.
On Fri, 23 Jan 2004, Rob Kemmer wrote:
Hi, MySQL Team!
I've downloaded and successfully installed v5.0 win2k, and am happily using stored
procs, but seem to be encountering problems with subqueries in stored procs. When I
run a stored proc containing a subquery, the first pass works, but
Hi Andrew
Consider using NUMERIC or DECIMAL to maintain precision.
From the manual:
The NUMERIC and DECIMAL types are implemented as the same type by MySQL,
as permitted by the SQL-92 standard. They are used for values for which
it is important to preserve exact precision, for example with
Hi ,
Is everybody have ever made bind to column and for where coluse in one ?
select colname from table where wcol=?
colname is binded to one attay
and the ? is binded to an other...
My server (4.1) is dump all the time)
Thnaks Gerg
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For list archives:
Help! I am totally stumped.
Why won't this execute successfully?
CREATE TABLE user_shipping_info (
user_id INT UNSIGNED NOT NULL,
as_acct VARCHAR(8) NOT NULL,
email_address VARCHAR(40),
company VARCHAR(50),
phone_number VARCHAR(15),
fax_number
I would like to do the following:
INSERT INTO tt (a,i) VALUES ('text',MAX(i)+1);
This doesn't work b/c MAX() isn't allowed here. Does
anyone know how I can still achieve this with ONE
query?
Thanks.
Dan
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To
I get same the problem with any row.
this statement returns 1 row with the stable build but returns 0 when
using the nightly one.
Select P_ID,R_Date from performances Where R_Date = ? and P_ID = 171576
Resultset with stable build looks like..
P_IDR_Date
171576 2002-02-02
Column
Hi,
I have gone through the MySQL documentation and FAQs. But
still I have a few questions -
1. Is there a performance comparison between MySQL Pro and MaxDB?
Is MaxDB much better than MySQL?
2. Does MaxDB also has a C/C++ interface?
3. Is replication supported by
On Fri, 23 Jan 2004, Mikhail Entaltsev wrote:
Date: Fri, 23 Jan 2004 09:34:52 +0100
From: Mikhail Entaltsev [EMAIL PROTECTED]
To: Gregory Newby [EMAIL PROTECTED], Asif Iqbal [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: data file too big
I believe that this will flush those logs:
Hi,
Error:
ERROR 1005: Can't create table
'./tamiyausa/user_shipping_info.frm' (errno:
150)
C:\mysql\binperror 150
Error code 150: Unknown error
150 = Foreign key constraint is incorrectly formed
Look like your foreign keys are not properly defined. Do
both tables exist? And the fields
Hi,
I have some question on JOIN and INDEX usage on GROUP BY. Hope you can help
me. thanks!
1. If there is any performance differenct for join from a small table to a
big table and join from a big table to a small table?
2. If index on group by column order, will it have any query performance
Hi Matt
Can you let me know when is the version 4.1.1 expected to release
(complete)?
If its not confidential and you know something about it.
And I could use mysql with websphere studio 5.1 and its running fine
Thanks and Regards
Saurabh Sharma
Fidelity Brokerage Technology
' 617-563-2662
Can you UNION 2 queries and use the result to JOIN with another table?
(SELECT tableA.name, tableC.company FROM tableA)
UNION
(SELECT tableB.name FROM tableB)
LEFT JOIN tableC ON tableA.name = tableC.name;
This doesn't work. But I don't know if it isn't working because I have the
wrong syntax
Greetings.
If these questions were answered before I apologize in advance.
I am trying to install MySQL on a new server that I got.
Server is Red Hat 7.2 (not my choice), Dual P4 Xeon 2.8, 6 GB, 36GB Raid
5.
Few questions I have:
1. What installation is recommended on such system.
Binary,
It used to be that I used SQL for basic stuff and did the rest in
my code. Now I'm starting to learn some of the cooler features
of SQL and I'm trying to figure out what I can move into a query
and what I'll still need my code to do thing. In trying this conversion,
I've run across something
I am trying write a shell script to check to see if a record exists and if
it does, update information, and if it doesn't insert information. Is there
a way to do an if else statement in MySql?
I'm stuck on how to do this. I don't want to write it in perl.
Mike
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MySQL General Mailing List
Here's a recipe:
create table foo (foo text, bar text);
create fulltext index foo on foo (foo, bar);
mysql show index from foo;
+---++--+--+-+---+-+--++--++-+
| Table | Non_unique |
Hi Folks
Every now and again one of my slaves try's to connect to its master via its
ip address as opposed to its dns name. This causes a problem because the ip
address does not have credentials on the master, therefore, connection
refused -replication ends -databases out of sync- angry
Hello,
Does the packet limitation of 16MB still exist for the client/server
protocol in MySQL?
I am trying to upload files greater than 16MB from a php/apache interface,
with no success. Files 15MB are saved just fine into the database. The
datatype on the field is longblob. From the mysql cli
Hello
I want to select from the table sum of logins for each day.
For example:
Date Logins
2004-01-22 10
2004-01-23 12
Any ideas if such select is possible?
+--+--+
| Field| Type |
Hello,
For embedded mySQL server there is a restriction that You
cannot set this up as a master or a slave (no replication). To support
replication using embedded mySQL is there any steps that I can follow
(e.g., by modifying portion of the source code etc.)? Pls. advise
Regds,
I'm not sure I quite follow you here.
I think you mean that when the slave connects to the master, sometimes the
master does not resolve the address the slave has - thus failing because you
don't have grants for the slave's IP address..
Generally I think it's a bad idea to be dependent on a dns
I searched the archives and the manual for an answer to this, but I
haven't found an answer. I have several InnoDB tables:
CREATE TABLE test_parent
(
id INTEGER NOT NULL PRIMARY KEY
) TYPE = INNODB;
CREATE TABLE test_child
(
id INTEGER NOT NULL PRIMARY KEY,
Hi,
I want to select from the table sum of logins for each day.
Would this help:
mysql select date_format(your_date_column, %Y-%m-%d), count(*)
- from your_table
- group by date_format(your_date_column, %Y-%m-%d);
Take care,
Aleksandar
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For list
- Original Message -
From: Mike Mapsnac [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, January 23, 2004 11:42 PM
Subject: Select help
Hello
I want to select from the table sum of logins for each day.
Here's one way to do it.
SELECT SUBSTRING(last_login, 1, 10) AS day,
Here is my scenario:
I have 3 linux boxes - 2 with mysql 4.0.16 and 1 with 4.0.17.
I have a 4.0.16 master (sys1) replicating a database (db1) that is
roughly 1.5GB to a slave system (sys2) running 4.0.17. For the sake of
a formal representation I'll say that (sys1,db1) -- (sys2,db1)
How can I implement fulltext search engine on InnoDB and MySQL 5.
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Can stored procedure return a result set for my java program?
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At 15:52 -0800 1/23/04, Matthew Bogosian wrote:
I searched the archives and the manual for an answer to this, but I
haven't found an answer. I have several InnoDB tables:
CREATE TABLE test_parent
(
id INTEGER NOT NULL PRIMARY KEY
) TYPE = INNODB;
CREATE TABLE test_child
At 18:34 -0600 1/23/04, Sidar LC. wrote:
How can I implement fulltext search engine on InnoDB and MySQL 5.
You can't. FULLTEXT indexes are supported only for MyISAM tables.
http://www.mysql.com/doc/en/Fulltext_Search.html
--
Paul DuBois, MySQL Documentation Team
Madison, Wisconsin, USA
MySQL
Hi !
For my forum system, I use the following query to generate the
main-overview: (using 4.0.16-log)
select f1.id as BoardId,
f1.name as Board,
f1.more as BoardDesc,
f2.id as AreaId,
f2.name as Area,
f2.more as AreaDesc,
count(distinct f3.id) as
when when when will it be available for innodb ?
-Original Message-
From: Paul DuBois [mailto:[EMAIL PROTECTED]
Sent: Saturday, January 24, 2004 11:43 AM
To: Sidar LC.; [EMAIL PROTECTED]
Subject: Re: Fulltext search
At 18:34 -0600 1/23/04, Sidar LC. wrote:
How can I implement fulltext
Thanks for the reply.
I agree with your first solution but I feel this is very limiting. I would
like be able to connect with a dns name with assurance that it will succeed.
I think this is a reasonable feature to request. I have, for example, a DNS
Round Robin used for load sharing. It is
I have a db that had some 20,000 records or so in it. I have a query to
find out how many jobs have been input during the current day. To add them
I ran the following query...
select count(idnumber) from maintable where inputdatetime '$date
00:00:00' and client='smith'
$date is the current
Although this does the trick (kind of), this just turns off integrity
checking for that session, right? When I turn it back on, any statement
that would have failed but didn't is still in a failed state. In other
words, I could screw up and so something like:
SET FOREIGN_KEY_CHECKS = 0;
Isn't it great when you've got this pretty picture in your head about what
you want SQL to do for you, but aren't sure how to write it down?
I've got 3 tables, they are:
server - a table that tracks all of our servers, including os, where they
are, access details, etc
update_track - a table
At 17:32 -0800 1/23/04, Matthew Bogosian wrote:
Although this does the trick (kind of), this just turns off integrity
checking for that session, right? When I turn it back on, any statement
that would have failed but didn't is still in a failed state. In other
Right. You're not supposed to use it
On Fri, 23 Jan 2004, Paul DuBois wrote:
At 17:32 -0800 1/23/04, Matthew Bogosian wrote:
Although this does the trick (kind of), this just turns off integrity
checking for that session, right? When I turn it back on, any
statement that would have failed but didn't is still in a failed
state. In
At 07:10 PM 1/23/2004, Larry Brown wrote:
I have a db that had some 20,000 records or so in it. I have a query to
find out how many jobs have been input during the current day. To add them
I ran the following query...
select count(idnumber) from maintable where inputdatetime '$date
00:00:00'
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