Choose two. In which two situations can you use Database Upgrade
Assistant?
A.when a character set conversion is required during the upgrade B.when multiple pluggable databases in a container database have to be正确答案BC
Upgraded in a specific sequence C.when the target and source database are on the same platform D.when the hardware platform needs to be changed as part of the upgrade E.when the operating system (OS) needs to be changed as part of the upgrade
