Star's blogs

建表语句：CREATE TABLE STUDENT(SNO VARCHAR(3) NOT NULL, SNAME VARCHAR(4) NOT NULL,SSEX VARCHAR(2) NOT NULL, SBIRTHDAY DATETIME,CLASS VARCHAR(5))go--分批次处理CREATE TABLE COURSE(CNO VARCHAR(5) NOT N...

创建表：create table student(sno char(9) primary key,sname char(20) unique,ssex char(2),sage smallint,sdept char(20));create table course(cno char(4) primary key,cname char(40) not null,cpno...