Jeff Davis wrote:
I know we can't keep stats on every combination of columns. My initial idea would be to only keep stats about a multi-column index (and probably optional for those, too).
Maybe you would want to keep single column indexes too, so that (more) accurate estimates for bitmap-and type plans are possible.
Cheers Mark ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
