How to do Set Opertion MINUS in FIREBIRD

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September 9th, 2004, 07:05 AM

bksuresh

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How to do Set Opertion MINUS in FIREBIRD

Hai,

Is there any method to subtract two queries which is equivalent to ORACLE MINUS operation ...(in SQL Server Except)

Thanks in Advance.

Regards
Suresh

September 10th, 2004, 09:18 AM

upscene

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Join Date: Dec 2003

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The best thing I can think about (if I have MINUS correctly) is:

select ...
from table1 t1
where not exists (select someid from table1 t2 where t1.id = t2.id)

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL Server.
Upscene Productions
http://www.upscene.com

__________________
Martijn Tonies
Database Workbench: developer IDE for Firebird, MySQL, InterBase, MSSQL Server and Oracle
Upscene Productions
http://www.upscene.com

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