【单选题】【消耗次数:1】
在 SQL 语句中,视图定义的命令是
ALTER VIEW
SELECT VIEW
CREATE VIEW
MODIFY VIEW
参考答案:
复制
纠错
相关题目
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①  正确
②  错误
【判断题】 生成的任意视图均可以用VIEW命令命名保存。
①  正确
②  错误
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①  A.SNAP是否为开启状态
②  B.VIEWRES是否为PastZoom状态
③  C.ORTHO是否为OSNAP状态
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【单选题】 What does the functional view of language see language?
①  A system of categories based on the communicative needs of the learner
②  A communicative tool to build up and maintain social relations between people
③  A linguistic system made up of various subsystems
④  A a linguistic system and a means for doing things.
【单选题】 What does the structural view of language see language?
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②  A communicative tool to build up and maintain social relations between people
③  A linguistic system made up of various subsystems
④  A linguistic system and a means for doing things.
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②  A communicative tool to build up and maintain social relations between people
③  A linguistic system made up of various subsystems
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【单选题】 He would like to view difficulties ____ a kind of challenge.
①  with
②  on
③  of
④  as
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①  remainded
②  dalayed
③  grew
④  disappeared
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①  正确
②  错误
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①  remained
②  delayed
③  grew
④  disappeared
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