1,创建Student数据库,包括Students,Courses,SC表,表结构如下:Students(SNO,SNAME,SEX,BDATE,HEIGHT,DEPARTMENT)Courses(CNO,CNAME,LHOUR,CREDIT,SEMESTER)SC(SNO,CNO,GRADE)(注:下划线表示主键,斜体表示外键),并插入一定数据。答:create table Students(SNO varchar(100) primary key ,SNAME varchar(100) null,SEX varchar(100) null,BDATE datetime null,HEIGHT decimal null,DEPARTMENT varchar(100) null)gocreate table Courses(CNO varchar(100) primary key ,CNAME varchar(100) null,LHOUR int null,CREDIT int null,SE