drop database if exists school; create database school; use school; create table teacher ( id int(3) auto_increment not null primary key, name char(10) not null, address varchar(50) default “深圳“, year date
);
insert into teacher values('','glchang','深圳一中','1988-12-10');
insert into teacher values('','wangfei','枣庄三中','1977-12-10');

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