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SQL Server, Query Store object

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Applies to: SQL Server 2016 (13.x) and later versions

The Query Store object provides counters to monitor resource utilization of SQL Server to store query texts, execution plans, and runtime stats for objects such as stored procedures, ad hoc and prepared Transact-SQL statements, and triggers.

This table describes are the SQLServer:Query Store counters.

SQL Server Query Store counters Description
Query Store CPU usage Execution time of Query Store operations expressed in hundredths of seconds.
Query Store logical reads Number of physical read operations from Query Store.
Query Store logical writes Number of logical write operations from Query Store. The frequency and delay of adding items (that represent runtime stats) to the queue is controlled by Data Flush Interval setting.
Query Store physical reads Number of physical read operations from Query Store.

Each counter in the object contains the following instances:

Query Store instance Description
_Total Information for the Query Store for this instance of SQL Server.
<database name> Query Store information for this database.

Example

You begin to explore the query performance counters in this object using this T-SQL query on the sys.dm_os_performance_counters dynamic management view:

SELECT * FROM sys.dm_os_performance_counters
WHERE object_name LIKE '%Query Store%';

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