FLOAT point value : FLOAT « Procedure Function « SQL / MySQL

1. SQL / MySQL
2. Procedure Function
3. FLOAT

FLOAT point value

 
mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
    -> BEGIN
    ->     DECLARE my_pi          FLOAT          /* Floating point number*/
    ->             DEFAULT 3.1415926;            /* initialized as PI */
    ->
    ->     select "my_pi="+my_pi;
    -> END$$
Query OK, 0 rows affected (0.00 sec)

mysql> delimiter ;
mysql>
mysql> call myProc();
+----------------+
| "my_pi="+my_pi |
+----------------+
| 3.141592502594 |
+----------------+
1 row in set (0.00 sec)

Query OK, 0 rows affected, 1 warning (0.08 sec)

mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>

        

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