On Tue, 12 Nov 2002 08:45:37 +0200, "cristi" <cristi@dmhi.ct.ro>
wrote:
>This is the contents of the table:
>marca mo
>1 C
>2 C
>[...]
>
>I need a SQL interogation with following results:
>marca concedii boala obligatii
> 1 2 1 0
> 2 1 0 0
> 4 0 1 0
> 5 0 0 1
SELECT marca,
SUM(CASE mo WHEN 'C' THEN 1 ELSE 0 END) AS concedii,
SUM(CASE mo WHEN 'B' THEN 1 ELSE 0 END) AS boala,
SUM(CASE mo WHEN 'O' THEN 1 ELSE 0 END) AS obligatii
FROM yourtable
GROUP BY marca
ORDER BY marca;
HTH.
Servus
Manfred
