DF014: String literals as column aliases are deprecated.

Last modified: May 28, 2025

The topic describes the DF014 T-SQL code analysis rule.

Message

String literals as column aliases are deprecated.

The ‘String literals as column aliases’ feature is not supported in the latest versions of SQL Server.

SELECT CustomerId AS 'id' FROM dbo.Customers

SELECT CustomerId AS [id] FROM dbo.Customers

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