Update Statistic Document For Free

Updating statistics ensures that queries compile with up-to-date statistics. However, updating statistics causes queries to recompile. We recommend not updating statistics too frequently because there is a performance tradeoff between improving query plans and the time it takes to recompile queries.

Sp_updatestats runs UPDATE STATISTICS command for whole user-defined and internal tables in the current database so that the statistics will be up-to-date. The following shows the syntax of this procedure. With the help of the following query, we can update all tables statistics in the Adventureworks database.

By using the Update Statistics task, a package can update statistics for a single database or multiple databases.

Updating Statistics for a SQL Server Database The second part of the solution is to create a Transact-SQL query to update all statistics for a given database. This is achieved with the use of procedure sp_updatestats. This runs the UPDATE STATISTICS command against all user defined tables in the current database.

Update statistics weekly, and if you're starting to see the tell-tale signs of stale stats then go from there.

Statistics store information about the data distribution of the column value(s) in your tables as well as the total number of rows. For indexes it stores the distribution of key values.

Right-click on the statistics and go to properties. It opens the statistics properties and shows the statistics columns and last update date for the particular statistics.

Update Statistics for All Tables and Databases in a SQL Server... EXEC sp_MSforeachdb 'USE [?] SELECT ''[?]'' as DBname' sp_updatestats. sp_MSforeachdb 'use [?]; exec sp_updatestats' SELECT database_id, name FROM sys. databases. EXEC sp_updatestats @resample = 'RESAMPLE'