mysql:
SELECT * FROM EVENT WHERE eventId IN(443,419,431,440,420,414,509) ORDER BY INSTR(',443,419,431,440,420,414,509,',CONCAT(',',eventId,','))
oracle:
select name from order where oderid in(111,222,333,444,555,666)order by instr('111,222,333,444,555,666',orderid)