$ 0 0 Hi Mahesh, no statistics will change the plan for this query, so you don't need any statistic at all. When performance is bad it might be due large spool usage. You might try MINUS ALL instead (if there are no duplicate rows in A). Dieter
Hi Mahesh,
no statistics will change the plan for this query, so you don't need any statistic at all.
When performance is bad it might be due large spool usage.
You might try MINUS ALL instead (if there are no duplicate rows in A).
Dieter