MySQL Tutorial/Procedure Function/NUMERIC
Версия от 13:44, 26 мая 2010; (обсуждение)
NUMERIC(8,2) DEFAULT 9.95
mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
-> BEGIN
-> DECLARE l_numeric NUMERIC(8,2) DEFAULT 9.95;
->
-> select l_numeric;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql> delimiter ;
mysql>
mysql> call myProc();
+-----------+
| l_numeric |
+-----------+
| 9.95 |
+-----------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
Variable type NUMERIC(8,2)
mysql>
mysql> delimiter $$
mysql> CREATE PROCEDURE myProc()
-> BEGIN
-> DECLARE my_currency NUMERIC(8,2); /* Number with 2 decimals*/
->
-> set my_currency = 123123.123;
->
-> select "my_currency="+my_currency;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql> delimiter ;
mysql>
mysql> call myProc();
+----------------------------+
| "my_currency="+my_currency |
+----------------------------+
| 123123.12 |
+----------------------------+
1 row in set (0.00 sec)
Query OK, 0 rows affected, 2 warnings (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>