MySQL 存储过程声明两个值并执行数学运算
mysqlmysqli database更新于 2024/1/9 11:14:00
让我们首先创建一个存储过程 −
mysql> delimiter // mysql> create procedure declare_demo_sp() begin declare Value1 int; declare Value2 int; set Value1=100; set Value2=2000; select Value1,Value2,Value1*Value2 as MultiplicationResult; end // Query OK, 0 rows affected (0.00 sec) mysql> delimiter ;
使用 CALL 命令调用存储过程 −
mysql> call declare_demo_sp();
这将产生以下输出 −
+--------+--------+----------------------+ | Value1 | Value2 | MultiplicationResult | +--------+--------+----------------------+ | 100 | 2000 | 200000 | +--------+--------+----------------------+ 1 row in set (0.00 sec) Query OK, 0 rows affected (0.00 sec)
