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How do i get row count - LOL

Author

Topic

clarkbaker1964
Constraint Violating Yak Guru

428 Posts

Posted - 2008-12-17 : 20:28:19

SQL 2000 -

I have this table which I don't know how many rows it contains but i need to get a fairly accurate count.

However the number of rows is currently = max size of int field (2,147,483,647).

I am getting the same number recorded in the sysindexes rows field.

exec SP_SPACEUSED 'EventsStrings'
name EventsStrings
rows 2,147,483,647
reserved 529107688 KB
data 525888616 KB
index_size 3219136 KB
unused -64 KB

Please help

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-12-17 : 20:33:02

Why can't you run COUNT(*)?

If you need it to be fairly accurate and you don't want to use COUNT(*), then you'll need to run DBCC UPDATEUSAGE or @updateusage = true for sp_spaceused.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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clarkbaker1964
Constraint Violating Yak Guru

428 Posts

Posted - 2008-12-17 : 21:14:26

Im running count(*) right now but this returns int so im not sure how the function will react when it overflows the max int value.

sp_spaceused looks like it is returning the max int value, have you tried this on a table this size?

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sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2008-12-17 : 22:33:04

Then you need to use COUNT_BIG(*) or see properties of table.

clarkbaker1964
Constraint Violating Yak Guru

428 Posts

Posted - 2008-12-17 : 23:55:23

SAME RESULT:
DBCC UPDATEUSAGE(InTrust_Audit_DB2,EventsStrings)
exec SP_SPACEUSED 'EventsStrings'
name rows reserved data index_size unused
EventsStrings 2147483647 529191352 KB 525906408 KB 3219232 KB 65712 KB

select count(*) from dbo.EventsStrings with (nolock)
Msg 8115, Level 16, State 2, Line 1
Arithmetic overflow error converting expression to data type int

Trying COUNT_BIG I completely forgot about that function! Excellent Sodeep!

<edited out flame>

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sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2008-12-18 : 08:43:45

quote:
Originally posted by clarkbaker1964

Trying COUNT_BIG I completely forgot about that function! Excellent Sodeep!

Good!! Count_big(*) returns Bigint value so you can go from -2^63 to 2^63-1.

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