欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

实验用数据库内容

程序员文章站 2022-06-30 11:54:38
2018-04-30 21:34:29 ......
 1 create table student(sno char(9) primary key,sname char(20) unique,ssex char(2),sage smallint, sdept char(20));
 2 create table course(cno char(4) primary key,cname char(40) not null,cpno char(4),ccredit smallint,foreign key(cpno) references course(cno));
 3 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));
 4 
 5 insert into course values('1','数据库','5','4.0');
 6 insert into course values('2','高等数学','NULL','2.0');
 7 insert into course values('3','信息系统','1','4.0');
 8 insert into course values('4','操作系统','6','3.0');
 9 insert into course values('5','数据结构','7','4.0');
10 insert into course values('6','数据处理','NULL','2.0');
11 insert into course values('7','C语言','6','4.0');
12 
13 insert into sc values('95001','1','92.0');
14 insert into sc values('95001','2','85.0');
15 insert into sc values('95001','3','88.0');
16 insert into sc values('95002','2','90.0');
17 insert into sc values('95002','3','80.0');
18 insert into sc values('95004','2','65.0');
19 insert into sc values('95004','3',NULL);
20 insert into sc values('95004','4',NULL);
21 insert into sc values('95005','2','84.0');
22 insert into sc values('95005','4',NULL);
23 insert into sc values('96001','1','87.0');
24 insert into sc values('96001','2','80.0');
25 insert into sc values('96001','3','90.0');
26 insert into sc values('96001','4','95.0');
27 insert into sc values('96001','5',NULL);
28 insert into sc values('96001','6',NULL);
29 insert into sc values('96001','7','86.0');
30 insert into sc values('97001','4',NULL);
31 insert into sc values('97001','5',NULL);
32 
33 create table dept(deptno numeric(2) primary key,dname varchar(14) not null,loc varchar(13));
34 
35 insert into dept values(10,'ACCOUNTING','NEWYORK');
36 insert into dept values(20,'RESEARCH','DALLAS');
37 insert into dept values(30,'SALES','CHICAGO');
38 insert into dept values(40,'OPERATIONS','BOSTON');
39 (^['0-9]{2,}[^;]+)
40 
41 create table emp(empno numeric(4) primary key,ename varchar(10) not null,job varchar(9),
42 mgr numeric(4),hiredate date,sal numeric(7,2) check (sal>500 and sal<100000),comm numeric(7,2),
43 deptno numeric(2),foreign key(mgr) references emp(empno),foreign key(deptno) references dept(deptno));
44 
45 insert into emp values(7369,'SMITH','CLERK',7902,'1980-12-17',800,null,20);
46 insert into emp values(7499,'ALLEN','SALESMAN',7698,'1981-02-20',1600,300,30);
47 insert into emp values(7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
48 insert into emp values(7566,'JONES','MANAGER',7839,'1981-04-02',2975,null,20);
49 insert into emp values(7654,'MARTIN','SALESMAN',7698,'1981-09-28',1250,1400,30);
50 insert into emp values(7698,'BLAKE','MANAGER',7839,'1981-05-01',2850,null,30);
51 insert into emp values(7782,'CLARK','MANAGER',7839,'1981-06-09',2450,null,10);
52 insert into emp values(7788,'SCOTT','ANALYST',7566,'1987-04-19',3000,null,20);
53 insert into emp values(7839,'KING','PRESIDENT',null,'1981-11-17',5000,null,10);
54 insert into emp values(7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
55 insert into emp values(7876,'ADAMS','CLERK',7788,'1987-05-23',1100,null,20);
56 insert into emp values(7900,'JAMES','CLERK',7698,'1981-12-03',950,null,30);
57 
58 create table salgrade(grade numeric,losal numeric,hisal numeric);
59 
60 insert into salgrade values(1,700,1200);
61 insert into salgrade values(2,1201,1400);
62 insert into salgrade values(3,1401,2000);
63 insert into salgrade values(4,2001,3000);
64 insert into salgrade values(5,3001,9999);
65 insert into salgrade values(6,10000,100000);

2018-04-30  21:34:29