Updating statistics in sql server 2016

Posted by / 15-Jul-2017 13:49

Updating statistics in sql server 2016

If there is very little modification () to the data, then you could have a more infrequent schedule for the update statistics job.One way to find out if your statistics are stale is to look at the execution plans and if you estimated rows greatly differ from your actual rows returned then that is a good indication that the interval needs to be upped.Would you like to answer one of these unanswered questions instead? [cc lang=”sql”] EXEC sp_updatestats [/cc] The other way, is to use the UPDATE STATISTICS command.The statistics auto update is triggered by query optimization or by execution of a compiled plan, and it involves only a subset of the columns referred to in the query.

The following script updates all out of date statistics.In addition to a consistent programmability experience across all editions, SQL Server 2016 SP1 also introduces all the supportability and diagnostics improvements first introduced in SQL 2014 SP2, as well as new improvements and fixes centered around performance, supportability, programmability and diagnostics based on the learnings and feedback from customers and SQL community.available on the, MSDN, Eval Center, MBS/Partner Source and VLSC in the coming weeks.Set the @Max Days Old variable to the number of days you will allow the statistics to be out of date by.Setting the @Sample Percent variable to null will use the SQL Server default value of 20,000 rows.

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