Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure for LOB space usage?()A. It returns space usage of only BasicFile LOB chunks.B. It returns space usage of only SecureFile LOB chunks.C. It returns both BasicFile an

题目
Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure for LOB space usage?()

A. It returns space usage of only BasicFile LOB chunks.

B. It returns space usage of only SecureFile LOB chunks.

C. It returns both BasicFile and SecureFile LOB space usage for only nonpartitioned tables.

D. It returns both BasicFile and SecureFile LOB space usage for both partitioned and nonpartitioned tables.

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更多“Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure for LOB space usage?() ”相关问题

  • 第1题：

    He ______ that he had been in prison twice before.

    A、revealed

    B、revised

    C、rewrote

    D、returned


    参考答案：A

  • 第2题：

    This poem depicts the beautiful scenery of a town in the South.

    A: praises
    B: writes
    C: imitates
    D: describes

    答案：D
    解析：
    句意为：这首诗描写的是南方一个小城镇的美景。depict和describe是同义词，都是“描写”的意思，praise意为“表扬、赞美” ; imitate意为“模仿”。

  • 第3题：

    空白限、检出限和定量限三者在数量上的关系为

    A．LoB ＜ LoD ≤ LoQ

    B．LoB ＜ LoD ＜ LoQ

    C．LoB ＜ LoQ ≤ LoD

    D．LoB ＜ LoQ ＜ LoD


    A

  • 第4题：

    You want to capture column group usage and gather extended statistics for better cardinality estimates for the CUSTOMERS table in the SH schema.Examine the following steps:1. Issue the SELECT DBMS_STATS.CREATE_EXTENDED_STATS (‘SH’, ‘CUSTOMERS’) FROM dual statement.2. Execute the DBMS_STATS.SEED_COL_USAGE (null, ‘SH’, 500) procedure.3. Execute the required queries on the CUSTOMERS table.4. Issue the SELECT DBMS_STATS.REPORT_COL_USAGE (‘SH’, ‘CUSTOMERS’) FROM dual statement.Identify the correct sequence of steps.（）

    A.3，2，1，4

    B.2，3，4，1

    C.4，1，3，2

    D.3，2，4，1


    参考答案：B

  • 第5题：

    She read a poem which depicts the splendor of the sunset.

    A:declares
    B:asserts
    C:announces
    D:describes

    答案：D
    解析：
    本句意思：她读了一首描绘落日壮观景象的诗。depict描绘，描画。describe描写；de- clare宣告；assert断言；announce宣布，发表。

  • 第6题：

    5、空白限、检出限和定量限三者在数量上的关系为

    A．LoB ＜ LoD ≤ LoQ

    B．LoB ＜ LoD ＜ LoQ

    C．LoB ＜ LoQ ≤ LoD

    D．LoB ＜ LoQ ＜ LoD


    LoB ＜ LoD ≤ LoQ

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