Select count distinct problem

Hi,
I have a tabe "M" that as messages, each message has a priority and is part of a departement. Now i wanted to create a report that count the number of messeges by departement group by priority and the total.............. something like this:
Departement Priority1 Priority2 Priority3 Total
A 1 2 3 6
B 2 3 3 8
C 1 1 1 3
Can someboby help me please
Than's
Luis

Unfortunately prior to 11g Oracle doesn't supply any means of creating cross tab queries, so any solution prior to 11g is going to rely on static views.
However, if you don't mind having the data go down instead of accross you could use this:
with m as (select 'high' priority, 'department A' department, 1 id_message from dual
  union all select 'medium', 'department A', 2 from dual
  union all select 'high',   'department B', 3 from dual
  union all select 'medium', 'department C', 4 from dual
  union all select 'high',   'department C', 5 from dual
  union all select 'medium', 'department B', 6 from dual
  union all select 'low',    'department A', 7 from dual
  union all select 'medium', 'department A', 8 from dual
  union all select 'low',    'department A', 9 from dual
  union all select 'high',   'department B', 10 from dual
  union all select 'low',    'department C', 11 from dual
  union all select 'medium', 'department C', 12 from dual
  union all select 'high',   'department B', 13 from dual
  union all select 'medium', 'department B', 14 from dual
  union all select 'medium', 'department B', 15 from dual
  union all select 'low',    'department B', 16 from dual
  union all select 'low',    'department C', 17 from dual
  union all select 'high',   'department C', 18 from dual
select department, priority, count(id_message) from m
group by rollup (department, priority)
order by department, priority
DEPARTMENT   PRIORITY COUNT(ID_MESSAGE)
department A high     1
department A low      2
department A medium   2
department A (null)   5
department B high     3
department B low      1
department B medium   3
department B (null)   7
department C high     2
department C low      2
department C medium   2
department C (null)   6
(null)       (null)   18
13 rows selectedor
select department, priority, count(id_message) from m
group by department, rollup (priority)
order by department, priority
DEPARTMENT   PRIORITY COUNT(ID_MESSAGE)
department A high     1
department A low      2
department A medium   2
department A (null)   5
department B high     3
department B low      1
department B medium   3
department B (null)   7
department C high     2
department C low      2
department C medium   2
department C (null)   6
12 rows selected

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  • Problem to get count from resultset with select count(1) like query

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  • Count distinct in case statement

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  • Count Distinct Wtih CASE Statement - Does not follow aggregation path

    All,
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    Now the measure will use my month aggregate when i specify month, the day aggregate when i specify day, etc..
    If you are just trying to use a Count Distinct (no CASE satement needed) with Aggregate Awareness, you just need to use the Logical Table Source override on the aggregate tab.
    There is still a funky issue when using the COUNT aggregate type. As long as you dont map multiple logical table sources to the COUNT column it works fine and as expected. But, if you try to add in multiple sources and aggregate awareness it randomly starts SUMMING everything .. very weird. The blog in this thread says to check the 'Based on Dimension' checkbox to fix the problem but that did not work for me. Still not sure what to do on this one .. but its not currently causing me a problem so I will ignore for now ;)
    Thanks for all the help
    K

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