| List: | General Discussion | « Previous MessageNext Message » | |
| From: | Paul DuBois | Date: | January 5 2000 5:33am |
| Subject: | Re: Looking for distinct across multiple columns | ||
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At 8:45 PM -0800 2000-01-04, Rob McMillin wrote: >Running MySQL 3.22.27, is the following possible? > >select count(distinct column_a, column_b) from some_table group by >column_a, column_b > >??? The change notes in the manual indicate that COUNT(DISTINCT col, col, ...) was not implemented until 3.23.2. -- Paul DuBois, paul@stripped
| Thread | ||
|---|---|---|
| • Looking for distinct across multiple columns | Rob McMillin | 5 Jan |
| • Re: Looking for distinct across multiple columns | Paul DuBois | 5 Jan |