Question

limit number of rows in a query

Asked by: NorBro

Is it possible to limit the number of rows returned in a query?


If I use set rowcount 10, will it set the limit for just my connection ?


With MSSQL I can use select top n,
 

Thanks

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Asked On
2004-04-08 at 09:06:24ID20947951
Tags

limit

,

rows

,

query

,

number

Topic

Sybase Database

Participating Experts
3
Points
100
Comments
4

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Answers

 

by: william_jwdPosted on 2004-04-08 at 09:16:11ID: 10784754

try

where rownum < 11

 

by: namasi_navaretnamPosted on 2004-04-08 at 23:10:56ID: 10789490

Try,

SET ROWCOUNT 10

select * from MyTable

Top 10 records will be returned

Regards-

 

by: bretPosted on 2004-04-12 at 08:46:43ID: 10806124



SET ROWCOUNT is the simplest way to limit the number of rows in the result set.  It only applies to your connection.  Don't forget to SET ROWCOUNT 0 to reset the option to allow all rows.

There is no "rownum" by default in ASE, though another approach is to select the result set plus an identity column into a temp table and then use the identity column as a rownum to select a subset of the result set.  Example:

select *, identity(9) as "rownum"
  into #foobar
  from sysindexes
select id, name from #foobar
  where rownum between 22 and 42
drop table #foobar

 

by: namasi_navaretnamPosted on 2004-04-12 at 11:08:52ID: 10807221

SET ROWCOUNT is session based. Only valid on the connection you establish. Need to SET ROWCOUNT back to 0 as Bret suggests. Better to create a sp that runs the select as it may be easier to maintain.

Create Procedure sp_Test
As
Begin
SET ROWOUNT 10

select * from MyTable

SET ROWCOUNT 0

END



20120131-EE-VQP-002

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