create table emp(    no			numeric(12) not null,    upd_ts		timestamp not null,    name		char(20) not null,    duty		char(1) not null,    age			numeric(6) not null,    salary		numeric(12,2) not null,    primary key (no));create table resume(    no			numeric(12) not null,    resume		blob not null,    primary key (no));create table seq(    seq_id		int auto_increment,    primary key (seq_id));insert into emp values(0,now(),'??0','1',20,1000);insert into emp values(1,now(),'??1','1',30,2000);insert into emp values(2,now(),'??2','1',40,2500);