How do i run two queries in one worksheet?

Hi
I am new to Disco and am finding some things easy to fathom and others not so.
I have a table with fields
callref
logdate
closedate
I want to be able count the number of calls logged each month/year and the number of calls closed.
So, I want to do 2 counts, each count applying a slightly different condition. I would then end up with data along the lines of:
Month, Number Logged, Number Closed
which I could then turn into a graph.
I am assuming there must be an obvious way ...
Sapphie
Edited by: user12160673 on Feb 8, 2010 8:49 AM

Hi Lee
There's a couple of ways of doing this. I think the simplest would be create two calculations, one for Number Logged and one for Number Closed.
For Number Logged presumably this is just the count of all rows returned in the worksheet? You can use COUNT(ROWNUM) for that calculation.
For the Number Closed you only want to count those that have a closedate - yes? If so, this will work:
SUM(CASE WHEN closedate is NOT NULL THEN 1 ELSE 0)
Another way to do this, would be to create two analytic calculations, one for each count. The syntax for an analytic count is as follows:
COUNT(item) OVER (filters)
The item will be the thing you are counting. The filters can be left empty, in which case the count will be determined by all rows in the worksheet. If you want the count to be only on a subset of the rows then you need to provide one or more filters. Typical filters are page items and group sorted items.
An example of a count over the whole query is:
COUNT(callref) OVER ()
Best wishes
Michael

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