If all else is equal, I have the impression the index with the lower object# is being used, but I'm not certain. If all else is equal it doesn't matter.
The same considerations apply for the selection of a join index.
At 04:03 PM 3/26/2003 -0800, you wrote:
if I have a table with columns a,b,c,d,e and there are two concat indexes on this table with a,b,c and a,b,d
in a query which is using column a in where clause which index will be used ?
will this plan change if the table is joined with ( driving table )
-ak
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