Wm.A.Stafford wrote:
I hope the subject says it all. I'm porting an Oracle-centric
application to PostgreSQL and the Oracle sql is full of the 'unique'
qualifier. I'm assuming PostgreSQL does not support 'unique' since
don't see a 'unique' anywhere in the PostgreSQL docs. Is there a
substitute or a technique to get the same result?
Thanks,
-=bill stafford
DISTINCT, and PostgreSQL's proprietary extension, DISTINCT ON.
http://www.postgresql.org/docs/8.1/interactive/queries-select-lists.html#QUERIES-DISTINCT
