Solved

SQL SENTENCE

Posted on 2006-06-28
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Last Modified: 2006-11-18
Hi I have a SQL Table:

VERSIONES_PLANOS
ID_PLANO varchar(20)
VERSION  smallint
ARCHIVO Image
THUMB  Image
DWF Image

And I have this data

id_plano : smt8
version:  0
archivo: <binary>
thumb: <binary>
dwf: <binary>

id_plano : smt8
version: 1
archivo: <binary>
thumb: <binary>
dwf: <binary>

I want to select * from versiones_planos where version = max(version)
but I dont know how to do the select sentence.

Thanks

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Comment
Question by:olgavillamizar
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7 Comments
 
LVL 75

Accepted Solution

by:
Anthony Perkins earned 250 total points
ID: 17003085
Select *
From VERSIONES_PLANOS
Where VERSION In (Select MAX(Version) From VERSIONES_PLANOS)
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 17003096
Or simpler:

Select TOP 1 WITH TIES *
From VERSIONES_PLANOS
Order By VERSION DESC
0
 
LVL 75

Expert Comment

by:Aneesh Retnakaran
ID: 17003117
Hi olgavillamizar,


Or something like this


Select VERSIONES_PLANOS, ID_PLANO, ARCHIVO, THUMB, DWF, Max(version) Version
FROM urTable
Group by VERSIONES_PLANOS, ID_PLANO, ARCHIVO, THUMB, DWF

Aneesh R!
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LVL 13

Expert Comment

by:Atlanta_Mike
ID: 17003241
Actually best for performance would be

Select TOP 1 WITH TIES *
From VERSIONES_PLANOS
Order By VERSION DESC

submitted by ac
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 17003263
Perhaps, but only if that is what the questioner needs.  I get the distinct impression and reading between the lines that there is more to the question. We'll see or as the questioner may say "veremos"...
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Expert Comment

by:Atlanta_Mike
ID: 17003504
Oh... and justed noticed the with ties... It only works in 2005
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 17003608
>>It only works in 2005<<
I think you will find it is in SQL Server 2000, as well.
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