给出数据库实验所需要的“CREATE-TABLES.SQL”文件
use master go if exists (select * from dbo.sysdatabases where name = 'STUDB') drop database STUDB GO create database STUDB go use STUDB go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SC]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[SC] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[STUDENT]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[STUDENT] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[COURSE]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[COURSE] GO CREATE TABLE STUDENT ( SNO NUMERIC(5) CONSTRAINT P_STUDENT PRIMARY KEY, SNAME CHAR(6) NOT NULL, SSEX CHAR(2) DEFAULT '男' CONSTRAINT C_SSEX CHECK( SSEX IN ('男','女')), SAGE NUMERIC(2) DEFAULT 20, SDEPT CHAR(10) ); CREATE TABLE COURSE ( CNO NUMERIC(2) CONSTRAINT P_COURSE PRIMARY KEY, CNAME CHAR(10) NOT NULL CONSTRAINT U_CNAME UNIQUE, CPNO NUMERIC(2) CONSTRAINT F_CPNO REFERENCES COURSE(CNO), CCREDIT NUMERIC(2) ); CREATE TABLE SC ( SNO NUMERIC(5) REFERENCES STUDENT, CNO NUMERIC(2) REFERENCES COURSE(CNO), GRADE NUMERIC(6,2), PRIMARY KEY(SNO,CNO) ); insert INTO STUDENT values( 95001,'李勇','男',20,'CS'); insert INTO STUDENT values( 95002,'刘晨','女',19,'IS'); insert INTO STUDENT values( 95003,'王敏','女',18,'MA'); insert INTO STUDENT values( 95004,'张立','男',21,'IS'); insert INTO STUDENT values( 95005,'周斌','男',18,'CS'); insert INTO STUDENT values( 95006,'孙兵','男',19,'CS'); insert INTO COURSE values( 2,'数学',NULL,2); insert INTO COURSE values( 6,'数据处理',2,2); insert INTO COURSE values( 4,'操作系统',6,3); insert INTO COURSE values( 7,'PASCAL',6,4); insert INTO COURSE values( 5,'数据结构',7,4); insert INTO COURSE values( 1,'数据库原理',5,4); insert INTO COURSE values( 3,'信息系统',1,4); insert INTO SC values( 95001,1,92); insert INTO SC values( 95001,2,85); insert INTO SC values( 95001,3,88); insert INTO SC values( 95002,2,90); insert INTO SC values( 95002,3,80); insert INTO SC values( 95003,1,80); insert INTO SC values( 95004,1,75); insert INTO SC values( 95005,1,96); insert INTO SC values( 95003,2,NULL); insert INTO SC values( 95003,4,NULL); go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GSTAGE]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GSTAGE] GO CREATE TABLE GSTAGE ( LOW NUMERIC(3) , HIGH NUMERIC(3) , STAGE CHAR(2) ); insert INTO GSTAGE values( 90, 100, '优'); insert INTO GSTAGE values( 80, 89, '良'); insert INTO GSTAGE values( 70, 79, '中'); insert INTO GSTAGE values( 60, 69, '及'); insert INTO GSTAGE values(0, 59, '差'); GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SPJ]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[SPJ] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[P]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[P] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[S]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[S] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[J]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[J] GO CREATE TABLE S ( SNO CHAR(2), SNAME CHAR(10), CITY CHAR(10) ); CREATE TABLE P ( PNO CHAR(2), PNAME CHAR(10), COLOR CHAR(10) ); CREATE TABLE J ( JNO CHAR(2), JNAME CHAR(10) ); CREATE TABLE SPJ ( SNO CHAR(3), JNO CHAR(3), PNO CHAR(3), QTY NUMERIC(4) ); INSERT INTO S VALUES('S1','S-A','天津'); INSERT INTO S VALUES('S2','S-B','天津'); INSERT INTO S VALUES('S3','S-C','北京'); INSERT INTO S VALUES('S4','S-D','北京'); INSERT INTO P VALUES('P1','P-A','红'); INSERT INTO P VALUES('P2','P-B','黑'); INSERT INTO P VALUES('P3','P-C','蓝'); INSERT INTO J VALUES('J1','J-A'); INSERT INTO J VALUES('J2','J-B'); INSERT INTO J VALUES('J3','J-C'); INSERT INTO SPJ VALUES('S1','J1', 'P1',5 ); INSERT INTO SPJ VALUES('S1','J1', 'P2',6 ); INSERT INTO SPJ VALUES('S1','J1', 'P3',7 ); INSERT INTO SPJ VALUES('S2','J2', 'P1',9 ); INSERT INTO SPJ VALUES('S2','J2', 'P3',6 ); if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ACCOUNT]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[ACCOUNT] GO CREATE TABLE ACCOUNT ( ACCOUNTNUM INT PRIMARY KEY, TOTAL NUMERIC(10,2) ); insert INTO ACCOUNT values( 2001,20000); insert INTO ACCOUNT values( 3001,500); insert INTO ACCOUNT values( 3663,1000); GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[DELETEDSTU]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[DELETEDSTU] GO CREATE TABLE DELETEDSTU ( SNO NUMERIC(5) , SNAME CHAR(6) , SSEX CHAR(2) , SAGE NUMERIC(2), SDEPT CHAR(10), CCOUNT NUMERIC(3), GTOTAL NUMERIC(5) ); GO