At 13:36 30/10/00 +0100, Lengyel Ferenc wrote:
>Hello everybody!
>I need some help with a simple query.
>I've got a problem with getting a maximum value from a very large table
>(10000000+ rows):
Unfortunately PGSQL does not use indexes for min & max. One approach that
should work is:
select col1 from TABLE_A WHERE COL2 = 1 order by col2, col1 desc limit 1;
and you will need an index on (col2, col1).
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