To set a variable explicitly to a particular value, use a SET statement. : Variable « Select Clause « SQL / MySQL

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SQL / MySQL » Select Clause » Variable

To set a variable explicitly to a particular value, use a SET statement.

       

mysql>

SET syntax uses = rather than := to assign the value:

mysql>

mysql>

mysql> SET @sum = 4 + 7;

Query OK, 0 rows affected (0.00 sec)



mysql> SELECT @sum;

+------+

| @sum |

+------+

|   11 |

+------+

1 row in set (0.00 sec)



mysql>

mysql>

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