Re: Query: calculating the hour, on the hour

<jwilkes66_at_my-deja.com> wrote in message news:7tt0r6$mg$1_at_nnrp1.deja.com...
> I need a query that returns the previous hour, on the hour.
>
> Select to_char(to_char(sysdate, 'HH24')-1) from dual;
>
> This query returns '7', but I need a query that will always return 2
> characters ('07') and also will return '23' when it is midnight.
>
> Thanks for any help,
> JB

select to_char(sysdate-1/24, 'HH24') from dual; Received on Tue Oct 12 1999 - 11:04:48 CDT