Thread: Index question
I have a query which orders data like this: ORDER BY a.col1, b.col2 where a and b are different tables. Both tables are really big and so, ordering takes quite a while. Now i would like to create an index to speed things up, but i don't know how to create such an index that would cover both columns in different tables. Regards, Kostko. -- Kostko <kostko@jweb-network.net> JWeb-Network
At 04:39 PM 6/7/2004 +0200, Jernej Kos wrote: >I have a query which orders data like this: ORDER BY a.col1, b.col2 where a >and b are different tables. Both tables are really big and so, ordering takes >quite a while. Now i would like to create an index to speed things up, but i >don't know how to create such an index that would cover both columns in >different tables. How about creating two indexes. One index for each column of the DB. Try it. It could still speed things up.