【文章內容簡介】 扣GET_TICKETS_TIME DATE,取票時間BUY_TICKETS_TIME DATE NOT NULL,購買時間REAL_PAY VARCHAR(50) NOT NULL,實付款PASSAGER_ID VARCHAR(50) NOT NULL,旅客身份證號TICKET_ID int NOT NULL,機票編號CONSTRAINT PK_旅客機票 PRIMARY KEY(PASSAGER_ID,TICKET_ID),CONSTRAINT FK_BUY_PASSAGER_ID FOREIGN KEY(PASSAGER_ID) references PASSAGER(PASSAGER_ID),CONSTRAINT FK_BUY_TICKET_ID FOREIGN KEY(TICKET_ID) references TICKET(TICKET_ID),)。ALTER TABLE BUY_TICKETSADDCONSTRAINT CK_REAL_PAY CHECK(REAL_PAY=0)ALTER TABLE BUY_TICKETSADDCONSTRAINT CK_BUY_TICKETS_LEN CHECK(LEN(PASSAGER_ID)=18)CREATE TABLE REFUND退票表(REFUND_TIME VARCHAR(50),退票時間PASSAGER_ID VARCHAR(50),旅客身份證號TICKET_ID INT IDENTITY(1,1) NOT NULL,機票編號CONSTRAINT PK_退旅客機票 PRIMARY KEY(PASSAGER_ID,TICKET_ID),CONSTRAINT FK_REFUND_PASSAGER_ID FOREIGN KEY(PASSAGER_ID) references PASSAGER(PASSAGER_ID),CONSTRAINT FK_REFUND_TICKET_ID FOREIGN KEY(TICKET_ID) references TICKET(TICKET_ID),)。ALTER TABLE REFUNDADDCONSTRAINT CK_REFND_LEN CHECK(LEN(PASSAGER_ID)=18)CREATE TABLE SELL_TICKETS 售票表(SELL_TIME VARCHAR(50) NOT NULL,賣票時間TICKET_SUM VARCHAR(50) NOT NULL,收益金額EmployeeNumber VARCHAR(50) NOT NULL,員工號TICKET_ID INT IDENTITY(1,1),機票編號CONSTRAINT PK_員工機票 PRIMARY KEY(EmployeeNumber,TICKET_ID),CONSTRAINT FK_SELL_TICKETS_EmployeeNumber FOREIGN KEY(EmployeeNumber)references Clerk(EmployeeNumber),CONSTRAINT FK_SELL_TICKETS_TICKET_ID FOREIGN KEY(TICKET_ID) references TICKET(TICKET_ID),)。ALTER TABLE SELL_TICKETSADDCONSTRAINT CK_TICKET_SUM CHECK(TICKET_SUM=0)USE 航空機票預售系統(tǒng)CREATE TABLE FIGHT航班表(FIGHT_NUMBER VARCHAR(50) NOT NULL PRIMARY KEY,航班號FIGHT_DepartureCity VARCHAR(50) NOT NULL,出發(fā)城市FIGHT_DestinationCity VARCHAR(50) NOT NULL,抵達城市FIGHT_DepartureTime VARCHAR(50) NOT NULL,起飛時間FIGHT_ArrialTime VARCHAR(50) NOT NULL,抵達時間CAMPANY_NUMBER VARCHAR(50) NOT NULL,公司編號SEAT_COUNT VARCHAR(50) NOT NULL,座位總數(shù)CONSTRAINT FK_CAMPANY_NUMBER2 FOREIGN KEY(CAMPANY_NUMBER)references CAMPANY(CAMPANY_NUMBER),)。CREATE TABLE Crew乘務員表(EmployeeNumber VARCHAR(50) NOT NULL PRIMARY KEY,員工號FIGHT_NUMBER VARCHAR(50) NOT NULL,航班號CREW_NAME VARCHAR(50) NOT NULL,乘務員姓名CREW_SEX VARCHAR(50) NOT NULL,性別BirthOfDate DATE NOT NULL,出生日期CREW_TELEPHONE VARCHAR(50) NOT NULL,電話CAMPANY_NUMBER1 VARCHAR(50) NOT NULL,公司編號CONSTRAINT FK_Crew_CAMPANY_NUMBER FOREIGN KEY(CAMPANY_NUMBER1)references CAMPANY(CAMPANY_NUMBER),CONSTRAINT FK_Crew_FIGHT_NUMBER FOREIGN KEY(FIGHT_NUMBER)references FIGHT(FIGHT_NUMBER),)。ALTER TABLE CREWADDCONSTRAINT ck_CREW_SEX CHECK(CREW_SEX in(39。男39。,39。女39。)) ALTER TABLE CREWADDCONSTRAINT CK_CREW_LEN CHECK(LEN(CREW_TELEPHONE)=11)CREATE TABLE CAMPANY航空公司表(CAMPANY_NUMBER VARCHAR(50) NOT NULL UNIQUE,公司編號COMPANY_NAME VARCHAR(50) NOT NULL,公司名COMPANY_TELEPHONE VARCHAR(50) NOT NULL,電話COMPANY_ADDRESS VARCHAR(50) NOT NULL,地址CONSTRAINT FK_CAMPANY_NUMBER PRIMARY KEY(CAMPANY_NUMBER ),)。ALTER TABLE CAMPANYADDCONSTRAINT CK_CAMPANY_LAN CHECK(LEN(COMPANY_TELEPHONE)=11)CREATE TABLE Clerk業(yè)務員(EmployeeNumber VARCHAR(50) NOT NULL PRIMARY KEY,員工號COMPANY_NUMBER VARCHAR(50) NOT NULL,公司編號CLERK_NAME VARCHAR(50) NOT NULL,乘務員姓名CLERK_SEX VARCHAR(50) NOT NULL,性別BirthOfDate DATE NOT NULL,出生日期CLERK_TELEPHONE VARCHAR(50) NOT NULL,電話CONSTRAINT FK_Clerk_COMPANY_NUMBER FOREIGN KEY(COMPANY_NUMBER)references CAMPANY(CAMPANY_NUMBER),)。ALTER TABLE CLERKADDCONSTRAINT ck_CLERK_SEX CHECK(CLERK_SEX in(39。男39。,39。女39。)) ALTER TABLE CLERKADDCONSTRAINT CK_CLERK_LAN CHECK(LEN(CLERK_TELEPHONE)=11)CREATE TABLE BUY_TICKETS買票表(TICKET_COUNT VARCHAR(50) NOT NULL,數(shù)量DISCOUNT VARCHAR(50) NOT NULL,折扣GET_TICKETS_TIME DATE,取票時間BUY_TICKETS_TIME DATE NOT NULL,購買時間REAL_PAY VARCHAR(50) NOT NULL,實付款PASSAGER_ID VARCHAR(50) NOT NULL,旅客身份證號TICKET_ID int NOT NULL,機票編號CONSTRAINT PK_旅客機票 PRIMAR