问题
选择题
10.--- Hello, John here, can I speak to Mary , please?
---_____________.
A.Of course, but she is out
B.She will be back in a moment
C.You may leave a message
D.Hold on, please
答案
答案:D
10.--- Hello, John here, can I speak to Mary , please?
---_____________.
A.Of course, but she is out
B.She will be back in a moment
C.You may leave a message
D.Hold on, please
答案:D
设有如下说明,请回答(29)~(35)小题: 有如下3个表: 职员.DBF:职员号C(3),姓名C(6),性别C(2),组号N(1),职务C(10) 客户.DBF:客户号C(4),客户名C(36),地址C(36),所在城市C(36) 订单.DBF:订单号C(4),客户号C(4),职员号C(3),签订日期D,金额N(6.2) |
从订单表中删除客户号为“1001”的订单记录,正确的SQL语句是( )。
A.DROP FROM 订单 WHERE 客户号="1001"
B.DROP FROM 订单 FOR 客户号="1001"
C.DELETE FROM 订单 WHERE 客户号="1001"
D.DELETE FROM 订单 FOR 客户号="1001"