Hi,

  It's not only Oracle having a when, PostgreSQL has something similar:

http://www.postgresql.org/docs/9.1/interactive/sql-createtrigger.html




> If a WHEN clause implies that the trigger gets fired anyway, then right, 
> this wouldn't make a difference. ;-)

 I think an aspect would be a transparency of triggers because you see when 
they should fire in the declaration.





-- 
Björn Reimer - RRZE


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