Which three features work together, to allow a SQL statement to have different cursors for the samestatement based on different selectivity ranges?()A. Bind Variable PeekingB. SQL Plan BaselinesC. Adaptive Cursor SharingD. Bind variable used in a SQL stat

题目
Which three features work together, to allow a SQL statement to have different cursors for the samestatement based on different selectivity ranges?()

A. Bind Variable Peeking

B. SQL Plan Baselines

C. Adaptive Cursor Sharing

D. Bind variable used in a SQL statement

E. Literals in a SQL statement


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  • 第1题:

    Keep your passport in a secure place.

    A:.special
    B: good
    C: safe
    D: different

    答案:C
    解析:
    题干意为“把你的护照放在安全的地方。” 句中划线词意为“安全的,安心的”。C项safe意为“安全的,保险的”;例句:There is no safe landing on that coast.那一带海岸没有安全的登陆处。A项意为“特殊的,专门的”;B项意为“好的,优秀的”;D项意为“不同的,不平常的”;故选C。

  • 第2题:

    Keep your passport in a secure place.

    A:safe
    B:special
    C:good
    D:different

    答案:A
    解析:
    题干意为“把你的护照放在安全的地方。” 句中划线词意为“安全的,安心的”。A项safe意为“安全的,保险的”;例句:It is a safe port for vessels of any size.这是一个任何吨位的船舶都可停靠的安全港口。B项意为“特殊的,专门的”。C项意为“好的,优秀的”。D项意为“不同的,不平常的”。故选A。

  • 第3题:

    2、下面四组词尾(-s或-ed)发音中,两两发音不同的(different)是哪一组?

    A.desks, chefs

    B.legs, rooms

    C.wanted, booked

    D.robbed, three-legged


    ph /f/;th /t/;ch 在硬元音(a, o, u)前,读/k/; 在软元音(i, e, y)前,读/h/;rh /r/

  • 第4题:

    Keep your passport in a secure place.

    A: special
    B: good
    C: safe
    D: different

    答案:C
    解析:
    题干意为“把你的护照放在安全的地方。”句中划线词意为安全的,安心的。C项safe意为安全的,保险的;例句:The house is not safe from theft.这房子不安全,容易遭窃。A项special意为特殊的,专门的;B项good意为好的,优秀的;D项different意为不同的,不平常的;故选C.

  • 第5题:

    Accompanied by cheerful music,we began to dance.

    A:pleasant
    B:colorful
    C:fashionable
    D:different

    答案:A
    解析:
    本句意思:我们伴随着欢乐的乐曲跳起舞来。cheerful意为“高兴的;使人感到愉快 的”,与pleasant(令人愉快的)意思相近。colorful多姿多彩的;fashionable时尚的;different不同的。第2部分:阅读判断

  • 第6题:

    下面四组词尾(-s/-es/-’s或-d/-ed)发音中,发音不同的(different)是哪一组?

    A.desks, chefs

    B.legs, rooms

    C.wanted, booked

    D.robbed, three-legged


    wanted, booked