MySQL存储过程声明两个值并执行数学运算
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 // 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)