-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 02/15/07 15:13, Bjørn T Johansen wrote:
> I have a table that I want to find rows that have the same value
> in two fields, e.g. all rows that have the same date and also the
> same productionid... How do I write such an sql statement?
If I understand your question:
SELECT FIELD_1, FIELD_2, COUNT(*)
FROM A_TABLE
WHERE SOME_DATE = 'yyyy-mm-dd'
AND PRODUCTIONID = nnnn
GROUP BY FIELD_1, FIELD_2
HAVING COUNT(*) > 1;
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
iD8DBQFF1OK9S9HxQb37XmcRAhC9AJ9YKyb2HRhr+FAaWQluMG86lyV6egCgu0LU
3KT/s+eq5KKHSYDnpRKuyu4=
=SgpW
-----END PGP SIGNATURE-----