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2026/8/25 -Sets Transact-SQL and query processing behaviors to be compatible with the specified version of the Database Engine.

2026/7/20 -To change the compatibility level, select a different option from the list. The available options for different Database Engine versions are ...

2017/9/30 -I have a SQL Server 2014 instance with quite a few databases on it. I want to change the compatibility level of the user databases.

2016/11/19 -Right-click the Database > and then click Properties. · In Database Properties dialog box (in select a page pane) click Options. · The current ...

2023/4/20 -Compatibility level causes SQL Server to treat the data in particular old ways, like using an old fashioned spelling of “nulle” or whatevere.

2017/5/22 -Compatibility Level controls selected query behavior within a database. I baseline the workload before changing it.

2023/4/27 -Unfortunately, there is no built-in way to do this in SQL Server. SSMS and most other tools indeed just parse the version information.

2024/7/22 -Setting the compatibility level of a database allows you to control the version of the SQL Server database, affecting how the database ...

2025/2/21 -I have a SQL Server 2016 with one database as compatibility level 90 (SQL 2005) and another at 100 (SQL 2008/R2) and both of those databases ...