Validate plan guides after upgrade

Applies to: SQL Server Azure SQL Database

We recommend re-evaluating and testing plan guide definitions when you upgrade your application to a new release of SQL Server. Performance tuning requirements and plan guide matching behavior may change. Although an invalid plan guide will not cause a query to fail, the plan is compiled without using the plan guide and may not be the best choice. After upgrading a database to a newer version of the Database Engine, we recommend that you perform the following tasks: