Examine the following impdp command to import a database over the network from a pre-12c Oracle database (source): Which three are prerequisites for successful execution of the command? (Choose three.)
A.
The import operation must be performed by a user on the target database by a user with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user with the DATAPUMP_EXP_FULL_DATABASE role on the source database.
B.
All the user-defined tablespaces must be in read-only mode on the source database.
C.
The export dump file must be created before starting the import on the target database.
D.
The source and target database must be running on the same operating system (OS) with the same endianness.
E.
The impdp operation must be performed by the same user that performed the expdp operation.
Suggested Answer:ABD🗳️
In this case we have run the impdp without performing any conversion if endian format is different then we have to first perform conversion.
If you read the command, you will see that it does not import data from any dumpfile. It does it through a network link, and it does not convert from endian format either. Is correct A, B, D
It is extracting the data from data files rather than data dump files.
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