Process control

One 、 Conditional statements

if Statement instance :

delimiter //
BEGIN declare i int default 0;
if i = 1 THEN
delimiter ;

Two 、 Loop statement

while Instance of statement :

delimiter //
CREATE PROCEDURE proc_while ()
SET num = 0 ;
WHILE num < 10 DO
num ;
SET num = num + 1 ;
delimiter ;

repeate Examples of loop statements :

delimiter //
CREATE PROCEDURE proc_repeat ()
SET i = 0 ;
select i;
set i = i + 1;
until i >= 5
end repeat; END //
delimiter ;

loop Example :

declare i int default 0;
loop_label: loop set i=i+1;
if i<8 then
iterate loop_label;
end if;
if i>=10 then
leave loop_label;
end if;
select i;
end loop loop_label; END

attach :Mysql Basic usage

One 、【Mysql View of basic usage

Two 、【Mysql Trigger of basic usage

3、 ... and 、【Mysql Business of basic usage

Four 、【Mysql Basic usage of stored procedure

5、 ... and 、【Mysql Function of basic usage

6、 ... and 、【Mysql Process control of basic usage

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