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Data & Analytics · Advanced

Automatic Tuning

An Azure SQL and SQL Server capability that automatically forces last-good plans and, in Azure SQL Database, can create or drop indexes.

Definition

Automatic tuning uses Query Store and built-in intelligence. FORCE_LAST_GOOD_PLAN is available in SQL Server 2017+ and Azure SQL, while CREATE_INDEX and DROP_INDEX options are available only in Azure SQL Database.

Exam tip

Automatic index creation is an Azure SQL Database feature, not available in SQL Server or Managed Instance.

Related terms