DF059: The assignment operator is used to specify a column alias.

Last modified: December 25, 2024

The topic describes the DF059 T-SQL code analysis rule.

Message

The assignment operator is used to specify a column alias.

According to the ANSI SQL standard, it is recommended to use the AS keyword to specify a column alias.

SELECT CustomerName = c.AccountNumber
FROM sales.Customer c
GO

SELECT c.AccountNumber AS CustomerName
FROM sales.Customer c
GO

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