Help with pivoting tables

Hi,

I am having some diffuculty with pivoting the results of a query. I am using
the following SQL in an attempt to aggreate the data from a table.

------Begin Query------

SELECT groupid, activity_date,
count(CASE activity_subcode WHEN 100 THEN 1 ELSE NULL END) AS Attended,
count(CASE activity_subcode WHEN 101 THEN 1 ELSE NULL END) AS Unexcused,
count(CASE activity_subcode WHEN 102 THEN 1 ELSE NULL END) AS Absent,
count(CASE activity_subcode WHEN 103 THEN 1 ELSE NULL END) AS Called,
count(*) AS total
FROM activity
WHERE activity_date BETWEEN '06/02/2003' AND '06/06/2003'
GROUP BY groupid, activity_date, activity_subcode
ORDER BY groupid, activity_date

------End Query------

The output is coming back like:

Groupid    activity_date  attended  unexcused  absent  called  total
---------------------------------------------------------------------
BNEIO       2003-06-04      7            0          0       0      7
BNEIO       2003-06-04      0         2          0       0      2
BNEIO       2003-06-05      4         0          0       0      4
BNEIO       2003-06-05      0         5          0       0      5

I need the output to come back with the groups_id and activity_date combined
to look like this:

Groupid    activity_date  attended  unexcused  absent  called  total
---------------------------------------------------------------------
BNEIO       2003-06-04      7            2          0       0      9
BNEIO       2003-06-05      4         5          0       0      9

Any ideas?

Thanks,
Ben

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