C COUNT(Amount) DESC D ADD(Amount) DESC BookStore数据库中有客户表Customer(CustomerCode, Name, Sex, Hometown, Email, Telephone, L 点我阅读全文
BookStore数据库中有客户表Customer(CustomerCode, Name, Sex, Hometown, Email, Telephone, LoginDate, Password) 查询Customer表中所有客户的信息, 点我阅读全文