DF059: The assignment operator is used to specify a column alias.
The topic describes the DF059 T-SQL code analysis rule.
Category
BEST PRACTICE
Message
The assignment operator is used to specify a column alias.
Description
According to the ANSI SQL standard, it is recommended to use the AS keyword to specify a column alias.
Noncompliant code example
SELECT CustomerName = c.AccountNumber
FROM sales.Customer c
GO
Compliant solution
SELECT c.AccountNumber AS CustomerName
FROM sales.Customer c
GO
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