Consider the following scenario： You have a directory， data， under the disk group tdgroup A. 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？（）
- AA
- BB
- CC
- DD
- EE