The information you need can be found here:
http://www.postgresql.org/idocs/index.php?functions-datetime.html
look specifically at the extract and date_part
functions. You could get what you need by concatting
th date value and the time value (with a space in
between) casting the result as a timestamp and running
it through the date_part function using the 'dow'
parameter. Here's an example:
processdata=# select date_part('dow', ('20/06/2001' ||
' ' || '08:00:00')::timestamp);
date_part
-----------
3
The number return is an integer between 0-6 where 0 is
Sunday.
Hope this is helpful,
Jason
--- Muhammad Rusydi <rusydi@cbn.net.id> wrote:
> i've created this table:
> create table schedule (
> day date,
> tm timestamp,
> room char(4));
>
> insert into schedule values
> ('20/06/2001','08:00:00','A104');
>
> my problem is how to get day of week information
> from date or is there any
> way to do this?
> would you show me how to do it?
> thank's
> Didi
>
>
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