问题
单项选择题
视图设计一般有3种设计次序,下列不属于视图设计的是______。
A.自顶向下
B.由外向内
C.由内向外
D.自底向上
答案
参考答案:B
解析:[知识点] 数据库概念设计中视图设计的基本概念[评析] 视图设计一般有3种设计次序,它们分别是自顶向下、自底向上和由内向外,它们又为视图设计捉供了具体的操作方法,设计者可根据实际情况灵活掌握,可以单独使用也可混合使用。
视图设计一般有3种设计次序,下列不属于视图设计的是______。
A.自顶向下
B.由外向内
C.由内向外
D.自底向上
参考答案:B
解析:[知识点] 数据库概念设计中视图设计的基本概念[评析] 视图设计一般有3种设计次序,它们分别是自顶向下、自底向上和由内向外,它们又为视图设计捉供了具体的操作方法,设计者可根据实际情况灵活掌握,可以单独使用也可混合使用。
Once upon a time, there was no donkey (驴子) in a small village. One day a merchant (商人) brought one to the village. But the __26__ had a __27__master. So one day it__28__a forest and decided to stay there. But soon a tiger saw it and immediately__29__ at it. At once the donkey started to cry__30__ it could. The tiger was so __31__ by the donkey’s action __32__ it ran away with fright(害怕). Not long afterwards the tiger met a fox. __33__ out of breath(上气不接下气), it told the fox what _34__. Then the tiger_35__ the fox to the place_36__ it had met the donkey. When the fox saw the donkey, it laughed and said, “That’s only a 37__ donkey and it only eats_38__. Come, let’s kill it__39__ supper. When the donkey saw them_40__, it quickly_41__ a plan. “Hello, old friend! How nice to see you, and how nice__42__ you to bring me supper, my favorite food — tiger meat.” Hearing this, the tiger was very__43__ as well as angry. “I’ll teach you a lesson.” It __44__ angrily at the fox, and __45__ one jump, killed it. Then it ran away as fast as it could.
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