A brief description of the mysql stored procedure

1: Simple query process stored procedure
mysql> delimiter //
mysql> create procedure procl ()
-> begin-
> select * from mytable;
-> end-
> //
Query OK, 0 rows affected

mysql> delimiter;
mysql> call procl();
±—±---------+
| ID | username |
±—±---------+
| 1 | a |
| 2 | b |
| 3 | c |
±—±---------+
3 rows in set

Query OK, 0 rows affected

2:插入数据的存储过程
mysql> delimiter //
mysql> create procedure insert_i()
-> begin
-> declare i int;
-> set i=0;
-> while i<10000 do
-> set i=i+1;
-> insert into mytable(ID,username) values(i,‘baodam’);
-> end while;
-> end
-> //
Query OK, 0 rows affected
mysql> delimiter;
mysql> call insert_i();
Query OK, 1 row affected