更多“问答题Which letters complete the sequence?”相关问题
  • 第1题:

    is a sequence of letters and digits, the first character must be a letter.

    A.An identifier

    B.A string

    C.An array

    D.program


    正确答案:A
    解析:译文:标识符是由字母或数字构成的序列,其第一个字符必须是字母。

  • 第2题:

    Tell us you strength which make yourself different from other applicants? (No more than 200 letters)


    正确答案:
            

  • 第3题:

    Which data organization schemes are supported?()

    • A、PARTITION BY HASH and ORGANIZE BY  
    • B、PARTITION BY RANGE and ORGANIZE BY KEY SEQUENCE  
    • C、PARTITION BY HASH and ORGANIZE BY KEY SEQUENCE 
    • D、PARTITION BY RANGE and ORGANIZE BY

    正确答案:D

  • 第4题:

    Which of the following privileges permits a user to update the comment on a sequence?()

    • A、CONTROL
    • B、UPDATE
    • C、USAGE
    • D、ALTER

    正确答案:D

  • 第5题:

    What is true about sequences? ()

    • A、Once created, a sequence belongs to a specific schema.
    • B、Once created, a sequence is linked to a specific table.
    • C、Once created, a sequence is automatically available to all users.
    • D、Only the DBA can control which sequence is used by a certain table.
    • E、Once created, a sequence is automatically used in all INSERT and UPDATE statements.

    正确答案:A

  • 第6题:

    Which of the following can be used in conjunction with a Flashback Versions Query to filter the results?()

    • A、 A range of SCN values
    • B、 A list of SCN values
    • C、 A starting and ending timestamp
    • D、 Minimum and maximum sequence values
    • E、 A list of sequence values

    正确答案:A,C

  • 第7题:

    问答题
    A typist types four envelopes and four letters. She places the letters in the envelopes at random. What are the chances that only three letters are in their correct envelopes?

    正确答案: zero
    解析:
    如果三个都装对了,那么第四个也一定装对了,所以没有这种几率。

  • 第8题:

    单选题
    You are performing a database recovery because a user’s schema is dropped. While performing the recovery, you use the UNTIL SEQUENCE clause. Which type of database recovery are you performing?()
    A

     user managed complete recovery

    B

     user managed incomplete recovery

    C

     RMAN-based complete recovery

    D

     RMAN-based incomplete recovery


    正确答案: B
    解析: 暂无解析

  • 第9题:

    问答题
    Guess the answer to the riddle.  There’s a word that’s composed of three letters alone,  Which reads backward and forward the same;  It expresses the sentiments warm from the hearts,  And to beauty lays principal claim.  What is it?

    正确答案: eye
    解析:
    单词eye由三个字母组成,其两边结构对称所以从前面读和从后面读都一样;从眼神中可以流露出内心的温情,并且眼睛是发现美的窗口,对美最有发言权。

  • 第10题:

    单选题
    What is true about sequences? ()
    A

    Once created, a sequence belongs to a specific schema.

    B

    Once created, a sequence is linked to a specific table.

    C

    Once created, a sequence is automatically available to all users.

    D

    Only the DBA can control which sequence is used by a certain table.

    E

    Once created, a sequence is automatically used in all INSERT and UPDATE statements.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    问答题
    Which letter comes next in this series of letters?  B A C B D C E D F ?

    正确答案: E
    解析:
    相间的字母依次递增。

  • 第12题:

    单选题
    Which of the following is a characteristic of a sequence?()
    A

    A sequence will never generate duplicate values

    B

    The MAXVALUE of a sequence can be equal to the MINVALUE

    C

    It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero

    D

    When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Which of the following is a characteristic of a sequence?()

    A.A sequence will never generate duplicate values

    B.The MAXVALUE of a sequence can be equal to the MINVALUE

    C.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero

    D.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries


    参考答案:B

  • 第14题:

    IS-IS路由器使用哪个来请求在数据库中丢掉的信息()

    • A、Hello
    • B、Link-State
    • C、Complete Sequence Number
    • D、Partial Sequence Number

    正确答案:D

  • 第15题:

    Which of the following is a characteristic of a sequence?()

    • A、A sequence will never generate duplicate values
    • B、The MAXVALUE of a sequence can be equal to the MINVALUE
    • C、It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero
    • D、When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries

    正确答案:B

  • 第16题:

    Which two patented or patent-pending compression and caching technologies are used for WX/WXC devices?()(Choose two.)

    • A、Network Sequence Caching (NSC)
    • B、Molecular Sequence Caching (MSC)
    • C、Network Sequence Reduction (NSR)
    • D、Molecular Sequence Reduction (MSR)

    正确答案:A,D

  • 第17题:

    When performing incomplete recovery using UNTIL SEQUENCE with RMAN, which two pieces of information are required?()

    • A、Thread number.
    • B、Log Sequence number.
    • C、Control file sequence number.
    • D、Name of the last archived log.

    正确答案:A,C

  • 第18题:

    You are performing a database recovery because a user’s schema is dropped. While performing the recovery, you use the UNTIL SEQUENCE clause. Which type of database recovery are you performing?()

    • A、 user managed complete recovery
    • B、 user managed incomplete recovery
    • C、 RMAN-based complete recovery
    • D、 RMAN-based incomplete recovery

    正确答案:D

  • 第19题:

    问答题
    Which three-letter word, when placed in the brackets, forms two different words: one with the letter on the left outside the brackets and the other with the letters on the right?  Y (…) RING

    正确答案: EAR
    解析:
    year年;earring耳环,耳饰。

  • 第20题:

    问答题
    Which letters complete the sequence?

    正确答案: P;E
    解析: 根据字母表的顺序,A和C相间隔1个字母B,C和F相间隔两个字母D、E,由此发现规律,第一行每相邻两个字母相间隔的字母数依次为1,2,1,2,1,由此可知M和最后一个字母应间隔2个字母,故应为P。第二行每相邻两个字母相间隔的字母数依次为0,1,2,3,4,由此可知K和最后一个字母应间隔5个字母,故应为E。

  • 第21题:

    单选题
    Chart legends which indicate a conspicuous landmark are printed in().
    A

    capital letters

    B

    italics

    C

    boldface print

    D

    underlined letters


    正确答案: A
    解析: 暂无解析

  • 第22题:

    问答题
    Complete the sequence.  A C A E A G A K A M A ?

    正确答案: .Q
    解析:
    以上顺序中,除去所有的字母A,剩下C E G K M ?通过观察可知,在字母表同一行的字母依次差1个字母,如C E G之间和K M之间,不同行的相邻字母相差3个,如果M后所跟字母与其差1个字母,则为O,但O又与M不同行,故M后字母应与其差3个,故答案为Q。

  • 第23题:

    单选题
    The term () refers to one complete sequence of operations required to produce power in an engine.
    A

    diesel engine

    B

    stroke

    C

    cycle

    D

    compression ratio


    正确答案: A
    解析: 暂无解析

  • 第24题:

    问答题
    Which word of four letters can be added to the front of the following words to create other English words?  CARD BOX CODE BAG HASTE

    正确答案: Post.
    解析:
    postcard明信片。postbox邮箱。postcode邮递区号。postbag邮袋。posthaste特快的。