搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下列的权限中，允许删除关系的是

A) UPDATE
B) DELETE
C) DROP
D) ALTERATION

答案

参考答案：C

解析： UPDATE权限允许修改数据，但不允许删除数据。ALTERATION权限允许增加或删除关系中的属性。DROP权限允许删除关系。DELETE权限允许删除数据。

单项选择题

Originally, the World-Wide Web was designed as information medium for (71) research teams. A deliberately simple implementation model was chosen to make it as simple as possible for authors to (72) documents to the web, and to (73) these in the sense of updating content. This implementation model is centered around the notion of resources, usually file-base D. For the (74) intended use of the web, resources presented a useful abstraction, as they related to relatively self-contained chunks of information such as research publications and (75) pages. Such chunks of information typically could be set up and maintained independently of other resources, so that resources were the appropriate abstraction for composition and modification.

（72）（）

A.contribute

B.write

C.hand

D.make
查看答案
多项选择题

银行业金融机构应当建立健全银行业消费者权益保护工作制度体系，包括（）。

A.银行业产品和服务的信息披露规定

B.银行业消费者权益保护工作报告体系

C.银行业消费者权益金融知识宣传教育框架安排

D.银行业消费者投诉受理流程及处理程序
查看答案