Получите элемент по композитному первичному ключу MySQL
SELECT * FROM bb_bulletin WHERE (OfficeCode, IssuerId, BulletinDtm) = (20001, 1, '2011-01-07 14:04:40');
Clumsy Cod
SELECT * FROM bb_bulletin WHERE (OfficeCode, IssuerId, BulletinDtm) = (20001, 1, '2011-01-07 14:04:40');
SELECT *
FROM games
WHERE (platformid, genreid) = (1, 10)