A SELECT statement that assigns a value to a variable must not be combined with data-retrieval operations.

Error Message:
Msg 141, Level 15, State 1, Line 3
A SELECT statement that assigns a value to a variable must not be combined with data-retrieval operations.

Severity level:
15.

Description:
This error message appears when you try to assign a value to a variable in combination with a data-retrieval operation in a SELECT statement.

Consequences:
The SQL statement cannot be parsed and further execution is stopped.

Resolution:
Error of the severity level 15 are generated by the user and can be fixed by the SQL Server user.

Versions:
All versions of SQL Server.

Example(s):
DECLARE @orderID INT
SET @orderID = 10289
SELECT @orderID = OrderID, *
  FROM Northwind.dbo.Orders
 WHERE OrderID = 10289

Remarks:
The above example tries to assign the value of the column OrderID to the variable @orderID per SELECT statement. At the same time the SELECT statement tries to return all column for OrderID = 10289. This combination triggers the error.




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