以下关于视图叙述错误的是A) 视图是由从数据库的基本表中取出来的数据组成的逻辑窗口B

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问题:

以下关于视图叙述错误的是

A) 视图是由从数据库的基本表中取出来的数据组成的逻辑窗口
B) 视图是一个虚表
C) 数据库中不仅存放视图的定义,还存放视图包含的数据
D) 基本表中的数据如果发生了变化,从视图中查询的数据也随之发生变化

考点:计算机等级考试数据库工程师计算机数据库工程师
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Windows 98虽然是一个比较成熟、健壮的操作系统,但有时也会出现应用程序在运行过程中“不响应”现象。用户如需强行结束一个应用程序,可通过按 【16】 组合键以打开“关闭程序”对话框。

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下列哪些说法适合描述莫扎特的《第四十交响曲》()?

A.抒情性很强

B.第三乐章是小步舞曲

C.也被称为维特交响曲

D.有命运的主题

E.作曲家生前没有完成

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律师被吊销职业证书的,5年后可以再从事证券法律业务.

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食用过多苦杏仁可引起()

A、腹泻

B、腹痛

C、窒息

D、中毒

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Just how does a person arrive at an idea of the kind of person that he is He develops this (1) of self through a gradual and complicated (2) which continues throughout life. The notion is an (3) that one establishes only with the help of others. (4) the elementary knowledge that one is short or tall is a comparative judgment that we cannot make (5) we have the opportunity to (6) ourselves with others. One’s idea of qualities which are harder to (7) is even more dependent upon other people’s ideas.

Whether one is intelligent, or stupid; attractive, or ugly; these and many other ideas of the self are (8) from the reactions of people with whom we (9) This process of (10) the nature of the self from the reaction of others has been labeled the "Looking-glass Self" by Cooley, who carefully analyzed this psychological (11) of self-discovery.

Just as the picture in the mirror gives an image of the physical self, (12) the perception of the reactions of others gives an image of the social self. We know, (13) , that we are good at certain things and not at others. This (14) came to us from the reactions of other persons, first our parents and then other individuals (15) in life. It should be remembered that, as other people’s reactions could be (16) and understood in more than one way, the looking-glass self with which the individual (17) may easily differ from the image others have actually formed of his (18) Clearly, it is our perception of the responses of others and not their (19) responses that (20) our self-image, and these perceptions are often not accurate.

8()

A.achieved

B.exerted

C.secured

D.acquired

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