实验用数据库内容

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 char(4),ccredit smallint,foreign key(cpno) references course(cno));
create table sc(sno char(9),cno char(4),grade smallint,primary key(sno,cno),foreign key(sno) references student(sno),foreign key(cno) references course(cno));

insert into course values('1','数据库','5','4.0');
insert into course values('2','高等数学','NULL','2.0');
insert into course values('3','信息系统','1','4.0');
insert into course values('4','操作系统','6','3.0');
insert into course values('5','数据结构','7','4.0');
insert into course values('6','数据处理','NULL','2.0');
insert into course values('7','C语言','6','4.0');

insert into sc values('95001','1','92.0');
insert into sc values('95001','2','85.0');
insert into sc values('95001','3','88.0');
insert into sc values('95002','2','90.0');
insert into sc values('95002','3','80.0');
insert into sc values('95004','2','65.0');
insert into sc values('95004','3',NULL);
insert into sc values('95004','4',NULL);
insert into sc values('95005','2','84.0');
insert into sc values('95005','4',NULL);
insert into sc values('96001','1','87.0');
insert into sc values('96001','2','80.0');
insert into sc values('96001','3','90.0');
insert into sc values('96001','4','95.0');
insert into sc values('96001','5',NULL);
insert into sc values('96001','6',NULL);
insert into sc values('96001','7','86.0');
insert into sc values('97001','4',NULL);
insert into sc values('97001','5',NULL);

create table dept(deptno numeric(2) primary key,dname varchar(14) not null,loc varchar(13));

insert into dept values(10,'ACCOUNTING','NEWYORK');
insert into dept values(20,'RESEARCH','DALLAS');
insert into dept values(30,'SALES','CHICAGO');
insert into dept values(40,'OPERATIONS','BOSTON');
(^['0-9]{2,}[^;]+)

create table emp(empno numeric(4) primary key,ename varchar(10) not null,job varchar(9),
mgr numeric(4),hiredate date,sal numeric(7,2) check (sal>500 and sal<100000),comm numeric(7,2),
deptno numeric(2),foreign key(mgr) references emp(empno),foreign key(deptno) references dept(deptno));

insert into emp values(7369,'SMITH','CLERK',7902,'1980-12-17',800,null,20);
insert into emp values(7499,'ALLEN','SALESMAN',7698,'1981-02-20',1600,300,30);
insert into emp values(7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
insert into emp values(7566,'JONES','MANAGER',7839,'1981-04-02',2975,null,20);
insert into emp values(7654,'MARTIN','SALESMAN',7698,'1981-09-28',1250,1400,30);
insert into emp values(7698,'BLAKE','MANAGER',7839,'1981-05-01',2850,null,30);
insert into emp values(7782,'CLARK','MANAGER',7839,'1981-06-09',2450,null,10);
insert into emp values(7788,'SCOTT','ANALYST',7566,'1987-04-19',3000,null,20);
insert into emp values(7839,'KING','PRESIDENT',null,'1981-11-17',5000,null,10);
insert into emp values(7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
insert into emp values(7876,'ADAMS','CLERK',7788,'1987-05-23',1100,null,20);
insert into emp values(7900,'JAMES','CLERK',7698,'1981-12-03',950,null,30);

create table salgrade(grade numeric,losal numeric,hisal numeric);

insert into salgrade values(1,700,1200);
insert into salgrade values(2,1201,1400);
insert into salgrade values(3,1401,2000);
insert into salgrade values(4,2001,3000);
insert into salgrade values(5,3001,9999);
insert into salgrade values(6,10000,100000);

2018-04-30  21:34:29

create table persons(id_p int(2) primary key, lastname varchar(20) not null,firstname varchar(20) not null,address varchar(30),city varchar(20));
insert into persons values(1,'Adams','John','Oxford Street','London');
insert into persons values(2,'Bush','George','Fifth Avenue','New York');
insert into persons values(3,'Carter','Thomas','Changan Street','Beijing');

create table orders(id_o int(2) primary key, orderNo varchar(10),id_p int (2), foreign key(id_p) references persons(id_p));
insert into orders values(1,'77895',3);
insert into orders values(2,'44678',3);
insert into orders values(3,'22456',1);
insert into orders values(4,'24562',1);
insert into orders values(5,'34764',65);

2018-05-05 18:41:35