On a SQL server, why do we need a weekly update stats job (with full scan) when we have AUTO_UPDATE_STATISTICS=ON for all databases?
Doesn't this option update statistics all the time?
Regards
On a SQL server, why do we need a weekly update stats job (with full scan) when we have AUTO_UPDATE_STATISTICS=ON for all databases?
Doesn't this option update statistics all the time?
Regards
Yes and no, it depends on the table size and the number of rows being updated whether status updates will be triggered; an occasional rebuild is a good idea. Some info on the algorithm for auto updates