Hipgsql-general-owner@postgresql.org wrote on 02/01/2010 07:36:55 AM:
> Good Evening, Good Morning Wherever you are whenever you may be reading this.
>
> snip> > count1 | count2 | count3
> -------------------------------
> 2 2 4 >
> Can this be done with ONE SQL STATEMENT? touching the database only ONE time?You can do the following:SELECT (SELECT COUNT(distinct model) FROM inventory WHERE modified >= '2010-02-01') AS "COUNT_1",
(SELECT COUNT(distinct model) FROM inventory WHERE modified >= '2010-01-20') AS "COUNT_2",
(SELECT COUNT(distinct model) FROM inventory WHERE modified >= '2010-01-01') AS "COUNT_3";PostgreSQL allows sub-queries in the select list as long as the sub-query returns one columnJob done> Please let me know. > > Thanx> :)
> NEiL > Chris Ellis******************************************************************************
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