问题 单项选择题

联机事务处理(OLTP)和联机分析处理(OLAP)所需的数据是有区别的,下列描述错误的是( )。

A.分析型数据是经常更新的

B.分析型数据支持管理需求

C.操作型数据面向应用

D.操作型数据支持日常操作

答案

参考答案:A

解析:[分析] 联机事务处理和联机分析处理对数据的要求不一样在于事务处理要面对不停变化的数据进行处理,而联机分析处理是采集稳定的数据进行分析,得出一定的结论。所以本题的分析型数据是经常更换的是错误的。

阅读理解

The best day of the week for shoppers is Saturday. In America, women do most of the shopping, while the young also enjoy shopping with their friends. Men don’t enjoy taking time in the store. There are many places to shop. A mall is a group of many shops where you can buy clothes, furniture, and everything of the house. Shopping malls provide parking of the cars which is very important to the shopper. Usually the mall is under one roof, so each people doesn’t get cold or wet from rain, wind, or snow. Mothers can buy clothes for family members. For the children, shoes, socks, dresses, coats, and sweaters are bought in August for the new school year. For the kitchen the mother might buy cooking pots, drinking glasses, and the television set. The bedroom furniture has beds, mirrors and so on. Finally, there are pictures in most rooms.

To buy all these things at the mall takes many trips but mothers enjoy this kind of shopping.

小题1:Who often goes shopping for the family members from the passage, we know?

A.Mothers

B.Fathers

C.Young people

D.Children小题2:In America, women like shopping on.

A.Sunday

B.Saturday

C.Monday

D.Friday小题3:Men do not enjoy shopping in the store, because.

A.it will cost more money

B.takes shorter time

C.it takes a lot of time

D.they will get wet from rain小题4:The word “furniture” means.

A.电视柜

B.家具

C.电器

D.立柜小题5:What is a shopping mall?

A.It’s a group of many shops where you can buy everything you need.

B.A department store where you can buy everything you need.

C.A supermarket where you can buy vegetables, fruits and so on.

D.You can park your car there

单项选择题