Re: Help needed for select query

On Fri, 26 Oct 2001 12:53:38 GMT, library.treasures_at_NOSPAMsaqnet.co.uk wrote:

>I have an event table with a source column and a time colum.
>
>I need to count and sort in descending order the number of events per
>source.
>
>I can count one day's totals and the last week's totals by two
>separate scripts:
>
>SELECT source, COUNT(*) "Yesterday"
>FROM event
>WHERE time > TRUNC(SYSDATE-1)
>GROUP BY source
>ORDER BY COUNT(*) DESC, source;
>
>SELECT source, COUNT(*) "Last week"
>FROM event
>WHERE time > TRUNC(SYSDATE-7)
>GROUP BY source
>ORDER BY COUNT(*) DESC, source;
>
>
>However, I would like to unify these two separate queries in a single
>query because I want the two column, "Yesterday" and "Last week", to
>appear side by side.
>
>How is it possible to achieve this?
>
>Thanks for any help in advance.
>
>Thomas

The easiest way to put any columns side by side would be to encase them in another query. As long as they each only return one row.

SELECT (Query_1), (Query_2) FROM Dual;

Brian Received on Fri Oct 26 2001 - 08:43:48 CDT