SQL Top Value opposite

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Hey there,

Is there an opposite to TOP , something like a Least Value or latest value.

Thank You
Best Regards.

Posted 24-May-12 1:42am

Member 8956437

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OriginalGriff · Answer 1 · 2012-05-24T01:47:00

Solution 1

Just use TOP, but change the sort order to DESC from ASC.

TOP only makes sense when you use an ORDER BY clause anyway, as the DB is not required to return records in any particular order otherwise.

Posted 24-May-12 1:47am

OriginalGriff

Comments

Member 8956437 24-May-12 7:53am

Yes your right, but im using Union aswell and order by is not working

OriginalGriff 24-May-12 8:37am

Then you need to fix the SQL first! :laugh:
Have a look here for an example of UNION with ORDER BY:
http://www.techonthenet.com/sql/union.php

Member 8956437 24-May-12 9:05am

That example is not exactly what i was looking for, i need to use the Order By in each of my Selects

OriginalGriff 24-May-12 10:53am

Sorry?
You can't use ORDER BY pre-UNION, because the UNION will impose it's own (not necessarily sensible) order on things.
The order of items on either side of a UNION is irrelevant, since it just removes duplicates or combines data into a single list.

Member 8956437 24-May-12 11:14am

ok, but im using Top 5 and i needed to also use de Order By DESC, so i can select the latest data.

Maciej Los 24-May-12 17:08pm

Good answer, my 5!

Wendelius · Answer 2 · 2012-05-24T10:34:00

Bases on the conversation if I understood your question correctly, you can possibly use inline views. However, before jumping to the SQL, I would suggest going through your sql statement and/or table structure since it sounds like they should be corrected.

Anyhow, consider the following

SQL

select top 5 name
from (select name 
      from (select top 100 percent name 
            from sysobjects 
            order by name) as a
      union all
      select name 
      from (select top 100 percent name 
            from syscolumns 
            order by id) as b) as c
order by name desc