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OracleDBA逻辑备份试题选

来源:长理培训发布时间:2017-09-16 15:09:49

q. 1 : what option of exporting allows quicker data extractions

  1. grants =y consistent =y direct = true direct=y

  4 : direct=y option bypasses the sql layer to allow quicker data extractions

  q. 2 : how are exports useful ?

  1. can be used to recover to a point in time can be used to recover from a media failure can be used to recover dropped tables due a user error none of the above

  3

  q. 3 : what are the 3 levels of exports

  1. global, user, tablespace full, user, table full, tablespace, table global, local, transactional

  2

  q. 4 : the following methods can be used to run exports

  1. interactive dialog export section of data manager in oem command line interface with parameter file all of the above

  4

q. 5 : which of the following are valid parameters for an export utility

  1. log statistics direct all of the above

4

q. 6 : what incremental parameters can be used with exports

  1. inctype = complete inctype = cumulative inctype = incremental all of the above 4

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