更多“Which command restores files from a volume group backup on a specified media?() ”相关问题
  • 第1题:

    若查询的结果仅限于平均分数超过80分的,则应( )。A.在GROUP子句的下一行加入:HAVING AVG(grade)>80B.在GROUP子句的上一行加入:HAVING AVG(grade)>80C.在FROM子句的下一行加入:HAVING AVG(grade)>80D.在FROM子句的上一行加入:HAVING AVG(grade)>80


    正确答案:A
    语法 SELECT column_name, aggregate_function(column_name) FROM table_name WHERE column_name operator value GROUP BY column_name

  • 第2题:

    You will want two trees about ten feet apart, 选择

    You will want two trees about ten feet apart, from _____ to suspend your tent.

    (A) there                         (C) which

    (B) them                              (D) where

     


    选择D
    可改写为you will want two tress about ten feet apart, to suspend your tent from.
    只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
    介词+which+动词不定式,整体做定语

  • 第3题:

    对由SELECT--FROM—WHERE—GROUP--ORDER组成的SQL语句,其在被DBMS处理时,各子句的执行次序为()

    A.SELECT—FROM—GROUP—WHERE—ORDER

    B.FROM——SELECT--WHERE——GROUP——ORDER

    C.FROM——WHERE——GROUP——SELECT——ORDER

    D.SELECT——FROM——WHERE——GROUP——ORDER


    答案:C

  • 第4题:

    You will want two trees about ten feet apart, from _____ to suspend your tent.

    (A) there (C) which

    (B) them (D) where

     

     


    选D

    可改写为you will want two tress about ten feet apart, to suspend your tent from.
    只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
    介词+which+动词不定式,整体做定语

  • 第5题:

    A backup is taken using the following command:tar -cvf abcdef.tar /usr/local/include/tcpd.h The operator is in the directory /usr/local/restores and runs the following command: tar -xvf abcdef.tar.Where will the file be restored?()

    A./usr/local/include/tcpd.h

    B./usr/local/restores/tcpd.h

    C./usr/local/restores/include/tcpd.h

    D./usr/local/restores/usr/local/include/tcpd.h


    参考答案:A

  • 第6题:

    This city is famous for its magnificent ancient buildings.

    A:contemporary
    B:distinguished
    C:specialized
    D:specified

    答案:B
    解析:
    本句话的意思是:“这座城市以其宏伟的古建筑著称。”distinguished:著名的、卓越的,例如:He was a distinguished scientist as well as a novelist.他是一位非常有声望的科学家和小说家。contemporary:当代的、现代的,例如:This play is the image of contemporary urban life.这个剧本是当代城市生活的生动写照。specialized:专业的、专门的,例如:He specializes in archaeology.他专修考古学。specified:规定的、指定的,例如:He didn't specify the matters.他并没有详细说明是什么事。