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Which of the following is not among the basic features of a relational database?A．It does not matter what order the rows are in.B．It does not matter what order the columns are in.C．Different columns should have different column names.D．Different columns s

题目

Which of the following is not among the basic features of a relational database?

A．It does not matter what order the rows are in.

B．It does not matter what order the columns are in.

C．Different columns should have different column names.

D．Different columns should have different data types.

相似考题

1.[A] on [B] among [C] for [D] by

2.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

3.________ your mother ________ some cleaning on Sundays?A.Does…doesB.Do…doesC.Does…do

4.[A] on[B] in[C] among[D] along

更多“Which of the following is not among the basic features of a relational database?A.It does ”相关问题

  • 第1题：

    Youhavecreatedascriptintherecoverycatalogcalledbackup_database.Whichofthefollowingcommandswouldsuccessfullyexecutethatscript?()

    A.run{openscriptbackup_database；runscriptbackup_database}

    B.run{engagescriptbackup_database；}

    C.run{runscriptbackup_database；}

    D.Run{executescriptbackup_database；}

    E.Thenamebackup_databaseisaninvalidnameforanRMANscript.TryingtorunitfromRMAN wouldresultinanerror.


    参考答案：D

  • 第2题：

    _____ the engines, the diesel engine is ____ used engine on board

    A.Between / more commonly

    B.Among / the most commonly

    C.Between / not more commonly

    D.Among / not the most commonly


    正确答案：B

  • 第3题：

    Which of the following may illustrate the difference between "competence" and__________ "performance"?

    A．What a person "knows" and what he/she "does".
    B．What a person "can do" and what he/she "does".
    C．What a person "does" and what he/she "knows".
    D．What a person "does" and what he/she "can do".

    答案：A
    解析：
    考查语言学知识。competence“语言能力”，指语言使用者对于语言规则系统的潜在意识；performance“语言运用”，指在具体场景中语言的实际运用，二者对应的分别为“knows”和“does”。故选A。

  • 第4题：

    [A] With

    [B] To

    [C] Among

    [D] Beyond


    正确答案：B

  • 第5题：

    4．—_________ Mike________ his homework in the evening?

    —No，he doesn't．

    A． Do；does

    B． Does；do

    C． Do；do

    D． Does；does


    正确答案：B
    4.B【解析】考查实义动词的疑问式为“Does+主语+do，故选B。

  • 第6题：

    Miller金字塔模型描述临床技能评价方法，从底到顶的四个层次分别为（）

    A．DOES- KNOW HOW- KNOW-SHOW

    B．KNOW-KNOW HOW- SHOW- DOES

    C．KNOW-KNOW HOW- DOES- SHOW

    D．DOES- KNOW- KNOW HOW- SHOW


    A下P204

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