A nice script ...
Regards
MOHAMMAD RAFIQ
Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Date: Tue, 28 Aug 2001 08:16:17 -0800
I have a script I wrote a while ago that may be of some use. If you goto:
http://www.vampired.net/scripts/php/tablespace.php
And look at FreeSpace by Tablespace script it is very useful.
I will return:
Tablespace Name
Total Mb
Free Mb
Used Mb
Percentage Free
Total Objects
For all your tablespaces, it executes within a second or two, it is
generally very quick.
"Do not criticize someone until you walked a mile in their shoes, that way
when you criticize them, you are a mile a way and have their shoes."
Christopher R. Spence
Oracle DBA
Phone: (978) 322-5744
Fax: (707) 885-2275
Fuelspot
73 Princeton Street
North, Chelmsford 01863
-----Original Message-----
Sent: Tuesday, August 28, 2001 10:11 AM
To: Multiple recipients of list ORACLE-L
Here's a script (for Oracle 8) that will show you exactly how much space a
given table uses, as opposed to how much space its extents have reserved. It
takes one parameter, the name of the table being looked at. It can take a
long time to run so I'm not sure if that counts as efficient. If you want
to see tablespace fragmentation, then run the mapper script down below.
rem ****************************************************
rem this code was inspired by Kevin Loney
rem ****************************************************
set verify off;
set pages 24;
select COUNT(DISTINCT(SUBSTR(a.ROWID,1,16)))* b.value Bytes_Used from &&1 a,
v$parameter b where b.name = 'db_block_size' group by b.value /
MAPPER
rem
rem file: mapper.sql
rem location: $HOME/sql
rem parameters: the tablespace name being mapped
rem
rem Sample invocation:
rem @mapper SYSTEM
rem
rem This script generates a mapping of the space usage
rem (free space vs used) in a tablespace. It graphically
rem shows segment and free space fragmentation.
rem
set pagesize 66 linesize 132 verify off
ttitle 'Map of Tablespace ' &&1 right datevar skip 1
column substr(file_id,1,4) heading "File|Id"
column bytes format 999,999,999,999
column today noprint new_value datevar
SELECT
to_char(sysdate, 'MM/DD/YY') today,
'free space' owner, /*"owner" of free space*/
' ' object, /*blank object name*/
substr(file_id,1,4), /*file ID for the extent header*/ block_id, /*block ID
for the extent header*/ blocks, /*length of the extent in blocks*/ bytes
/*length of the extent in bytes*/ FROM sys.dba_free_space WHERE
tablespace_name = upper('&&1') UNION SELECT to_char(sysdate, 'MM/DD/YY')
today, substr(owner,1,10), /*owner name (first 20 chars)*/
substr(segment_name,1,27), /*segment name (first 26 chars)*/
substr(file_id,1,4), /*file ID for extent header*/ block_id, /*block ID for
block header*/ blocks, /*length of the extent in blocks*/ bytes /*length of
the extent in bytes*/ FROM sys.dba_extents WHERE tablespace_name =
upper('&&1') ORDER BY 4,5
/
undefine 1
"Michael
Netrusov" To: Multiple recipients of
list
ORACLE-L
<[EMAIL PROTECTED] <[EMAIL PROTECTED]>
> cc:
Sent by: Subject: Re: Efficient way to
monitor table
root@fatcity. growth...
com
08/27/2001
07:40 PM
Please
respond to
ORACLE-L
Analyze tables then look at dba_tables.num_rows. Doing it on a daily will
give you what you want.
HTH,
Michael
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Monday, August 27, 2001 15:58
> Hi DBA's
>
> Does an Oracle Stored Procedure or function exist that returns the row
count
> by table in each tablespace?
> I've observed that one of our production tablespaces is has only 8%
> free space. Perhaps it could be fragmented. I'll have to find a script
> that
can
> provide these statistics. I know I'll need to add another datafile to
> the tablespace soon. However, I'd like to find out which are the
> active tables in each
tablespace
> and track the row insert growth on a daily basis.
>
> Any ideas?
>
> Thanks for your help.
>
> Denmark Weatherburne
> Belize
> "Knowledge is power, but it is only useful if it is shared!"
>
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