Hi; rt-3.8.7 mysql 5.1 Is the index DisGrouMem (GroupId,MemberId,Disabled) required for 3.8 When I did: select * from CachedGroupMembers where Disabled = 1; I got back 232 rows out of 5594612 Which in my opinion makes that index useless ? Ist required , can I drop it?? Regards; Roy