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单选题

Consider the following scenario: You have a directory, data, under the disk group tdgroupA. You want to create an alias for one of the data files and you execute the following command: ALTER DISKGROUP tdgroupA  ADD ALIAS ’+tdgroupA/data/datafile.dbf’  FOR ’+tdgroupA.231.45678’;  Which task would be accomplished by the command?()

发布日期:2020-04-10

Consider the following scenario: You have a direct...
A

The command drops the file +tdgroupA·231.45678.

B

The command physically relocates the file to +tdgroupA/data and renames the file to datafile.dbf.

C

The command creates a copy of the +tdgroupA·231.45678 file and places it in +tdgroupA/data after renaming the file to datafile.dbf.

D

The command creates an alias, datafile.dbf, and places it in +tdgroupA/data and does not remove the +tdgroupA·231.45678 file.

E

The command creates a file, datafile.dbf, in +tdgroupA/data and removes the references for +tdgroupA·231.45678 from the data dictionary views.

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