Update stats sql 2008

Does it have LOB columns? How long from stats update to slow query? Add a comment. Active Oldest Votes.

Two options: Disable auto update and schedule the full scan. A couple of suggestions to start: Ascending Keys and Auto Quick Corrected Statistics - A not uncommon statistics issue with large tables is ascending data, dates and identity columns for example. Edit: update following comment regarding this being a vendor application This is exactly why plan guides exist, giving the DBA a chance to influence execution plans when modifying source code is not possible. Product AS p ON w.

Improve this answer. Community Bot 1. The problem is that I can't modify the application provided by an external vendor and that, due to the high amount of changes to those tables, the execution plans will work perfectly well in the morning and will progressively get slower during the day. This is exactly the situation plan guides are intended for. I'll add a short edit but if there's any particular reason you envisage guides not being an option, let me know.

An very blunt way of forcing a stats update Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Active 9 years, 11 months ago. Viewed 1k times. Tell us more about the sub-optimal plan. Perhaps share the actual query and schema with us too. I don't really see what that has to do with the actual question It is relevant An index scan is poor indexing or poor predicates Not statistics most likely — gbn.

Show 2 more comments. Active Oldest Votes. In the end, it looks like it's not possible see my last comment on the question for details. Add a comment. Sign up or log in Sign up using Google. Using this option can produce suboptimal query plans. We recommend using this option sparingly, and then only by a qualified system administrator.

If per partition statistics are not supported an error is generated. Incremental stats are not supported for following statistics types:. Overrides the max degree of parallelism configuration option for the duration of the statistic operation. For more information, see Configure the max degree of parallelism Server Configuration Option. The maximum is 64 processors. Identified for informational purposes only. Not supported. Future compatibility is not guaranteed.

Leverage solutions such as Adaptive Index Defrag to automatically manage index defragmentation and statistics updates for one or more databases. This procedure automatically chooses whether to rebuild or reorganize an index according to its fragmentation level, amongst other parameters, and update statistics with a linear threshold.

The following example updates the statistics for all indexes on the SalesOrderDetail table. The following example creates and then updates the statistics for the Name and ProductNumber columns in the Product table.

The following example updates the Products statistics in the Product table, forces a full scan of all rows in the Product table, and turns off automatic statistics for the Products statistics.

The following example updates the CustomerStats1 statistics on the Customer table.