On Wed, 24 Nov 2010 17:16:47 -0600, JORGE MALDONADO
<jorgemal1960@gmail.com> wrote:
> I have 2 tables and each one has a date field. Is it possible to write a
> simple query to get the records with the dates in table1 but not in
> table2? For example:
>
> TABLE 1
>
> -----------------------------------------------------------------------------
> Branch_Name Sales Date
> -----------------------------------------------------------------------------
> Los Angeles 1500 May-15-2010
> San Diego 250 May-27-2010
> Los Angeles 300 May-28-2010
> Boston 700 May-28-2010
>
>
> TABLE 2
>
> -----------------------------------------------------------------------------
> Date Sales
> -----------------------------------------------------------------------------
> May-27-2010 250
> May-20-2010 535
> May-21-2010 320
> May-22-2010 750
>
> The query result should be:
> May-15-2010
> May-28-2010
>
> I guess that a query with a subselect and the EXCEPT keyword would work
> but I would like to know if there is a simpler alternative?
Could you be more precise:
* what are common point(s) between tables?
* what do you really want?
* what column(s) is involved in the SELECT criterium?
--
But sex and drugs and rock & roll, why, they'd bring our blackest day.
