请用SQL实现如下操作: (1) 查询预定11月13日 班次为1202的所有顾客姓名 (2)
问题详情
请用SQL实现如下操作:
(1) 查询预定11月13日,班次为1202的所有顾客姓名
(2) 查询给顾客王军预定机票的售票员姓名
(3) 查询顾客王军的住址、所订机票班次、日期和目的地
(4) 添加顾客记录:张华,编号:2005110912,地址:北京,班次:2203,日期11月22日
(5) 调整班次为1401的所有飞机价格,下调10%
(6) 给表Customer添加一列:姓别Ssex。请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:(1)SELECT CnameFROM CumtomerWHERE Cdate = '2005 - 11 - 13' and Cflightno = '1202';(2)SELECT Sname from Seller CumtomerWhere Seller. Seustomerno = Customer. Cno(3) SELECT Caddr Cflightno Cdate Tdest fromTicket CumtomerWhere Ticket. Cnightno = Customer. Cflightnoand Ticket. Tdate = Customer. Cdate(4) INSERT INTO Customer (Cno Cname CaddrCflightno Cdate)VALUES ( 2005110912 '张华' '北京'2203' 2005 - 11 - 22' );(5) UPDATE Tprice SET Tprice = 0.9 * TpriceWHERE Tflightno = '1401';(6) ALTER TABLE CustomerADD Csex char(2)
(1)SELECT CnameFROM CumtomerWHERE Cdate = '2005 - 11 - 13' and Cflightno = '1202';(2)SELECT Sname from Seller, CumtomerWhere Seller. Seustomerno = Customer. Cno(3) SELECT Caddr, Cflightno, Cdate, Tdest fromTicket, CumtomerWhere Ticket. Cnightno = Customer. Cflightnoand Ticket. Tdate = Customer. Cdate(4) INSERT INTO Customer (Cno, Cname, Caddr,Cflightno, Cdate)VALUES ( 2005110912, '张华', '北京',2203,' 2005 - 11 - 22' );(5) UPDATE Tprice SET Tprice = 0.9 * TpriceWHERE Tflightno = '1401';(6) ALTER TABLE CustomerADD Csex char(2)