How to Check and Update SQL Server Compatibility Levels with T-SQL
When you need to check compatibility level SQL Server after upgrading, start by reviewing the compatibility levels assigned to your databases. These settings determine which features and behaviors are available, directly influencing query performance and application stability during and after the upgrade process. Without a clear view of current compatibility levels across all databases, teams risk overlooking instances that could benefit from newer functionality or that might encounter unexpected issues. A quick and reliable method to inspect these settings helps …
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