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SQL Server 7,2000
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using outer query column name in subquery...
using outer query column name in subquery while doing order by
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ganaparthi.jagadeesh
ganaparthi.jagadeesh
Posted Friday, January 29, 2010 5:17 AM
SSC Journeyman
Group: General Forum Members
Last Login: Wednesday, April 18, 2012 4:04 AM
Points: 76,
Visits: 36
using outer query column name in subquery while doing order by caluse
ex: Select name,id,school from <Student>
where id in
(select top 5 id from <Somtable> order by school)
school name is not present in <Sometable>
will it work...i experinced this type situation.
it has worked.
can any one give reasons..how it is working..?
Post #855974
RP_DBA
RP_DBA
Posted Friday, January 29, 2010 8:17 AM
Mr or Mrs. 500
Group: General Forum Members
Last Login: Wednesday, May 15, 2013 12:31 PM
Points: 580,
Visits: 814
You're basically doing an inner join between <Student> and <School> on ID columns. Are IDs unique across these two tables?
_____________________________________________________________________
- Nate
@nate_hughes
Post #856122
ganaparthi.jagadeesh
ganaparthi.jagadeesh
Posted Saturday, January 30, 2010 5:07 AM
SSC Journeyman
Group: General Forum Members
Last Login: Wednesday, April 18, 2012 4:04 AM
Points: 76,
Visits: 36
Some ids of student table will present in school table...i am not dding inner join..if i go for inner join..will get all rows which were common based on id
Post #856628
GilaMonster
GilaMonster
Posted Saturday, January 30, 2010 5:14 AM
SSC-Dedicated
Group: General Forum Members
Last Login: Today @ 3:56 AM
Points: 37,734,
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Please post table definitions, sample data and desired output. Read this to see the best way to post this to get quick responses.
http://www.sqlservercentral.com/articles/Best+Practices/61537/
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #856632
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