Which three statements are characteristic of the MEMORY storage engine?()A.It can support transactionsB.Table contents are not saved if the server is restartedC.It cannot contain text or BLOB columnsD.It can support foreign keysE.Each table is represented

题目
Which three statements are characteristic of the MEMORY storage engine?()

A.It can support transactions

B.Table contents are not saved if the server is restarted

C.It cannot contain text or BLOB columns

D.It can support foreign keys

E.Each table is represented on disk as an.frm file

F.Each table has a corresponding.MYI and .MYD file

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更多“Which three statements are characteristic of the MEMORY storage engine?() ”相关问题

  • 第1题：

    Which statements about the MEMORY_TARGET initialization parameter are true?() (Choose all that apply.)

    A. MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zero

    B. MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set

    C. MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.

    D. MEMORY_TARGET is static and cannot be modified without shutting down the instance


    参考答案：A

  • 第2题：

    Despite the wonderful acting and well-developed plot the _________ movie could not hold our attention.

    A) three-hours B) three-hour

    C) three-hours’ D) three-hour’s

     

     


    选B

     用破折号连接的作形容词不用复数.

  • 第3题：

    Norman Blarney is an artist of deep convictions.

    A: claims
    B:suggestions
    C: beliefs
    D:statements

    答案：C
    解析：
    句意：诺曼.布莱梅是一个有坚定信念的艺术家，句中画线部分conviction意为 “信念”。claim意为“要求，声称”。suggestion意为“建议”。belief意为“相信，信赖”。 statement意为“声明，陈述”。画线部分和C项意义接近。故选C项。

  • 第4题：

    The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is(71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through(72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is(73) and the other is parallel or between those having different trans far rates. "(74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage(75) and usually intended for a specific purpose.

    A．suitable

    B．optional

    C．choice

    D．preferred


    正确答案：D

  • 第5题：

    ● Basically, a computer consists of five components: (71)， memory, storage, input device and output device.

    (71)

    A.keyboard

    B.mouse

    C.monitor

    D.CPU


    正确答案：D

  • 第6题：

    下面哪一个语句创建了值为storage的宏变量location？ （）

    A．&let location = storage;

    B．let &location = storage;

    C．%let location = "storage";

    D．%let location = storage;


    B

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