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IBM(000-730)单项选择题每日一练(2019.01.21)

  • 单项选择题

    For which of the following is a data warehouse optimized?()

    A.Backup and recovery
    B.Transactions
    C.Security
    D.Queries

  • 单项选择题

    Which of the following describes the model used by the Geodetic Extender?()

    A.Flat earth
    B.3-D Square
    C.Trapezoidal
    D.Round earth

  • 单项选择题

    Which of the following is NOT true about XML columns?()

    A.Data can be retrieved by SQL.
    B.Data can be retrieved by XQuery.
    C.XML columns must be altered to accommodate additional parent and child relationships.
    D.Access to any portion of an XML document can be direct, without reading the whole document.

  • 单项选择题

    Which of the following actions may cause a trigger to be fired?()

    A.DROP
    B.ALTER
    C.DELETE
    D.ROLLBACK

  • 单项选择题

    Which of the following will begin a new unit of work?()

    A.The CONNECT statement
    B.The first FETCH of a cursor
    C.The BEGIN TRANSACTION statement
    D.The first executable SQL statement

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