先試後買

A. To assess and recommend migration strategies

B. To provide a cost estimate for migration

C. To offer guidance on optimizing database queries

D. To manage user access permissions

A. Oracle Cloud Shell

B. OCI Migration Workbench

C. Oracle GoldenGate Hub

D. Oracle Cloud Migration Service

A. Set the flashback recovery area size on the standby database to match the source.

B. Refresh materialized views on the standby database before cutover.

C. Configure supplemental logging for materialized view refresh on the source database.

D. Ensure all partitions are online on the standby database.

A. Data Pump can directly import data into PDBs, bypassing the CDB altogether. (This is not possible)

B. Data Pump is not recommended for migrating data into a multitenant architecture due to its limitations.

C. Data Pump can be used to migrate entire databases, including schema and data, directly into individual PDBs within the CDB.

D. Data Pump can be used to export data from the source and import it into the CDB, with PDBs subsequently created and populated.

A. Homogeneous Upgrade Migration to a newer Oracle Database version

B. User Interface Migration through Oracle Cloud Infrastructure (OCI) Console

C. Logical Migration using tools like Data Pump or SQL*Loader

D. Physical Migration using tools like RMAN or transportable tablespaces

A. Using GoldenGate.

B. Using RMAN.

C. Using the unplug/plug feature of multitenant architecture.

D. Using Data Pump.