DBMS can reject valid dates entered into data fields, alphabetic data entered into money fields.
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】Grayson's has been in the publishing business for fifty years. In the past two years, the company has noticed that book sales have been tapering off, as more and more readers prefer formats they can r...
A.
How much do readers spend on e-books in a month?
B.
Which format is more reader-friendly, e-books or traditional books?
C.
How many books does an individual customer buy in a month?
D.
What types of books do customers buy in traditional form?
【简答题】W: Well, that's an (1)____________ many people make. But the fact is bones are made of (2)_____________ living tissue that requires continuous maintenance and repair. M: Right. That's one of the thing...