mysql设置自增auto_increment - 老马资料库

mysql设置自增auto_increment

类别:编程 时间:2023-01-11 01:47:17 点击:467

方案一:


CREATE TABLE IF NOT EXISTS user(

id INT UNSIGNED AUTO_INCREMENT,

name VARCHAR(100) NOT NULL,

sex VARCHAR(40) NOT NULL,

age INT(11),

PRIMARY KEY ( id )

)ENGINE=InnoDB DEFAULT CHARSET=utf8;


方案二:


alter table user modify id int auto_increment;