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What is the use of query store in SQL Server?
The SQL Server Query Store feature provides you with insight on query plan choice and performance. It simplifies performance troubleshooting by helping you quickly find performance differences caused by query plan changes.
What is query store Azure?
The Query Store feature in Azure Database for MySQL provides a way to track query performance over time. Query Store automatically captures a history of queries and runtime statistics, and it retains them for your review. It separates data by time windows so that you can see database usage patterns.
How to enable query store for all databases?
USE [master] GO ALTER DATABASE DatabaseName SET QUERY_STORE = ON GO ALTER DATABASE DatabaseName SET QUERY_STORE (OPERATION_MODE = READ_WRITE , INTERVAL_LENGTH_MINUTES = 30 , MAX_STORAGE_SIZE_MB = 1000 , QUERY_CAPTURE_MODE = AUTO) GO But that is a by database setting, and I want to be able to activate on all the databases of an instance at once.
Is the alter database query store not supported?
Executing ALTER DATABASE [database] SET QUERY_STORE = OFF will return the warning ‘QUERY_STORE=OFF’ is not supported in this version of SQL Server.. If you want to stay with your custom settings, use ALTER DATABASE with Query Store options to revert configuration to the previous state.
How to use the query store page in SQL Server?
Use the Query Store Page in SQL Server Management Studio In Object Explorer, right-click a database, and then click Properties. In the Database Properties dialog box, select the Query Store page. In the Operation Mode (Requested) box, select Read Write.
Why is query store not enabled in tempdb?
Cannot perform action because Query Store cannot be enabled on system database tempdb. ALTER DATABASE statement failed. I tried several variations of the solution by Jason Cumberland but could not get it working.