function corresponging to over in db2 - Mailing list pgsql-general

Hi,

I have a query of the form "select min(tab1.a) over(partition by tab1.b
tab2.a tab1.c) from .....
in db2. What will be the corresponding query for postgres. Does Postgres
have a function which provides the same functionality??

Regards,
Vinita Bansal

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