多选题In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）AAfter the COPY command.BAfter adding a data file in the target database.CAfter adding a tablespace in the target database.DAfter adding a tablespace in the catalog database.EAfter dropping a data file in the catalog database.FAfter running SQL Loader to load a large amount of data.
多选题
In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）
A
After the COPY command.
B
After adding a data file in the target database.
C
After adding a tablespace in the target database.
D
After adding a tablespace in the catalog database.
E
After dropping a data file in the catalog database.
F
After running SQL Loader to load a large amount of data.
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