create table jobs
(
job_id smallint auto_increment primary key,
job_desc varchar(50) not null default 'New Position - title not formalized yet',
min_lvl tinyint not null check(min_lvl>=20),
max_lvl tinyint not null check(max_lvl <=250)
)
-- check 虽然语法能通过, 但是好象不起作用
(
job_id smallint auto_increment primary key,
job_desc varchar(50) not null default 'New Position - title not formalized yet',
min_lvl tinyint not null check(min_lvl>=20),
max_lvl tinyint not null check(max_lvl <=250)
)
-- check 虽然语法能通过, 但是好象不起作用
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货