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2020/2/18 -In the past I have changed SQL Server compatibility level using an Alter Database statement. Is there a way to do it for an individual query ...

Describes an update to support QUERY_OPTIMIZER_COMPATIBILITY_LEVEL_n in USE HINT option in SQL Server 2017.

2019/12/20 -In August 2018, Microsoft introduced a new query hint QUERY_OPTIMIZER_COMPATIBILITY_LEVEL_n to let you force another query optimizer behavior at ...

2019/1/29 -It allows you to set the database compatibility level to 130 in order to get a number of functional and performance benefits, but still use the ...

With the original compatibility level still enabled, allow query plans or other workload on the server to be captured over time, by using the enabled feature.

2024/7/22 -Compatibility level in SQL Server refers to a database property that determines the syntax and behavior of the database, allowing it to be ...

2014/11/22 -I change trace flag 9481 status to ON and my stored procedure run quickly. This trace flag change query optimizer and use version 70 (SQL Server ...

2026/7/20 -Learn how to view or change the compatibility level of a database in SQL Server or Azure SQL by using SQL Server Management Studio or ...

2018/2/21 -Query Optimizer Fixes must be set to ON for to be enabled automatically for compatibility levels less than 130 (SQL Server 2016). As you ...

2023/4/20 -When Microsoft brings out a new version of SQL Server, they tend to keep the newest features only available in the newest compatibility levels.