单选题What RMAN command must you use before you can back up a database using the recovery catalog？（）A create catalogB install databaseC catalog databaseD merge Catalog with databaseE register database
单选题
What RMAN command must you use before you can back up a database using the recovery catalog？（）
A
create catalog
B
install database
C
catalog database
D
merge Catalog with database
E
register database
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解析：
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单选题You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）A alter tablespace MY_DATA begin backupB alter tablespace MY_DATA start backupC alter tablespace MY_DATA backup beginD alter MY_DATA begin backupE You cannot back up individual tablespaces
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