【正文】
查詢TS信息表中作者為李的TSMC,CBS,JG的視圖。關系圖第六章 數(shù)據(jù)庫的實施代碼:create table DZ(DZBH int not null,DZSFZH char(20) not null,YXRQZ datetime,DZXB char(5) not null,DZXM char(10) not null,DJRQ datetime, primary key(DZBH));create table GLY(GLYBH int not null,KLMM char(20) not null,LXDH char(20) not null,XB char(5) not null,XM char(10) not null, primary key(GLYBH))。create table FK(FKBH int not null,TSBH int not null,ZZBH int not null,YFJE char(20) not null,SSJE char(20) not null,JYSJ char(20) not null ,primary key(FKBH))。create table YY(DZBH int not null,FKBH int not null, primary key(DZBH, FKBH),Foreign key(DZBH)references DZ(DZBH), Foreign key(FKBH)references FK(FKBH))。create table JYX(DZBH int not null,TSBH int not null, primary key(DZBH, TSBH),Foreign key(DZBH)references DZ(DZBH), Foreign key(TSBH) references TS(TSBH))。create table GL(TSBH int not null,DZBH int not null,GLYBH int not null primary key(TSBH,DZBH,GLYBH),Foreign key(GLYBH)references GLY(GLYBH), Foreign key(TSBH)references TS(TSBH), Foreign key(DZBH) references DZ(DZBH))。INSERT INTO(‘FKBH’,’TSBH’,’DZBH’,’YFJE’,’SSJE’,JYSJ)VALUES(‘01’,’01’,’001’,’’,’’,),(’02’,’02’,’002’,’’,’’,),(’03’,’03’,’003’,’’,’,),(’04’,’04’,’004’,’’,’’,),(’05’,’05’,’005’,’’,’’,)。INSERT INTO(DZBH,FKBH) INSERT INTO(DZBH,TSBH)VALUES(‘01’,’01’), VALUES (‘01’,’01’),(’02’,’02’), (’02’,’02’),(’03’,’03’), (’03’,’03’),(’04’,’04’), (’04’,’04’) ,(’05’,’05’)。INSERT INTO(DZBH,TSBH) INSERT INTO(‘DZBH’,’TSBH’,GLYBH)VALUES(‘01’,’01’),VALUES(‘01’,’01’,01),(’02’,’02’), (’02’,’02’,02),(’03’,’03’), (’03’,’03’,03),(’04’,’04’), (04’,’04’,04),(’05’,’05’)。INSERT INTO(JYBH,TSBH)VALUES(‘01’,’01’),(’02’,’02’),(’03’,’03’),(’04’,’04’),(’05’,’0