The relational database model requires the data be(110)through programs that don't rely on the position of the data in the database. This is in direct(111)to the other database mode, where the program has to follow a series of pointers to the data it seek

题目

The relational database model requires the data be(110)through programs that don't rely on the position of the data in the database. This is in direct(111)to the other database mode, where the program has to follow a series of pointers to the data it seeks. A program(112)a relational database simply asks for the data it seeks; the DBMS performs the necessary searches and(113)the information. The(114)on how the search is done are specific to the DBMS and vary from product to product.

A．accessed

B．moved

C．read

D．wrote

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更多“The relational database model requires the data be(110)through programs that don't rely on ”相关问题

  • 第1题：

    Onthedevelopmentdatabaserac0，therearesixrawdevices：/dev/raw/raw1through/dev/raw/raw6./dev/raw/raw1and/dev/raw/raw2are8GBeach，andtherestare6GBeach.Anexistingdiskgroup+DATA1，ofNORMALREDUNDANCY，uses/dev/raw/raw1and/dev/raw/raw2.Whichseriesofthefollowingcommandswilldroponeofthefailuregroupsfor+DATA1，createanewdiskgroup+DATA2usingtwooftheremainingfourrawdevices，andthencancelthedropoperationfrom+DATA1？（）

    A.A

    B.B

    C.C

    D.D


    参考答案：A

  • 第2题：

    -- Ann is in hospital.

    -- Oh, really? I __ know. I __ go and visit her.

    A. didn’t; am going to B. don’t; would

    C. don’t; will D. didn't; will


    正确答案：D

  • 第3题：

    以下选项中，（）不属于MVC架构的基本部件。

    A．模型（model）

    B．控制器（controller）

    C．数据访问（data）

    D．视图（view）


    数据访问（data）

  • 第4题：

    WhichporttypemustbeconnectedtothefaxdevicefortheCiscoUnifiedCallManagerExpresstosupportfaxpass－through,T.38,andCiscofaxrelay?()

    A.FXO

    B.FXS

    C.ATA

    D.FAX


    参考答案：B

  • 第5题：

    （ ）is an intermediate repository of data.

    A.Universal Serial Bus
    B.Buffer
    C.DatA.record
    D.Database

    答案：B
    解析：

  • 第6题：

    长期存储在计算机内，有组织的、可共享的大量数据的集合是（）。 A、数据（Data） B、数据库（DataBase） C、数据库管理系统（DBMS） D、数据库系统（DBS）

    A．数据（Data）

    B．数据库（DataBase）

    C．数据库管理系统（DBMS）

    D．数据库系统（DBS）


    数据库

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