BookStore数据库中有订单表Order(OrderCode,CustomerCode,TotalPrice,Address,OrderTime,OrderStatus)SELECTTOP3OrderCode,OrderTime,OrderStatusFROM[Order]语句中TOP3的含义是()
A、前3个字段
B、前3条属性
C、前3个记录
D、前3个别名
A、前3个字段
B、前3条属性
C、前3个记录
D、前3个别名
A、TotalPriceBETWEEN 100 AND 200 B、TotalPriceNOT BETWEEN 100 AND 200 C、100>=TotalPrice<=200 D、TotalPrice>=100AndTotalPrice<=200
A、DELET Epublisher WHERE Publisher=‘群众出版社’ B、DELETE FROM Publisher WHERE Publisher=‘群众出版社’ C、DELETE FROM Publisher WHERE Publisher=群众出版社 D、DELETE Publisher WHERE Publisher=群众出版社
A、* B、CustomerCode,Name,Hometown,Sex,Email,Telephone,LoginTime,PassWord C、CustomerCode,Hometown,Telephone,Name,Sex,Email,LoginTime,PassWord D、CustomerCode~PassWord