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Oracle Database Administration II Sample Questions (Q148-Q153):

NEW QUESTION # 148
Your SALES_ROOT application container has two application PDBs.
The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:

Which two are true? (Choose two.)

A. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.B. The CONTAINERS clause cannot be used in queries on the REVENUE table.C. The REVENUE table partitions are not pruned across the PDBs automatically.D. The REVENUE table must be a list-partitioned table.E. The MAPTABLE table is a metadata-linked table.F. A container map exists for the REVENUE table, but is not enabled.

Answer: A,C


NEW QUESTION # 149
Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.)

A. creating the oracle OS userB. creating the OSDBA (dba) groupC. creating thte oraInventory (oinstall) groupD. configuring the OS for Oracle Automatic Storage Management shared storage accessE. creating the grid OS userF. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met

Answer: A,B,C


NEW QUESTION # 150
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

A. APP1can never be unplugged.B. An application seed PDB is created for APP1.C. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.D. A default service is created for the application root APP1.E. An application root PDB is created for APP1.F. Application PDBs that are subsequently created in the APP1application container will be cloned from APP1$SEED.

Answer: B,C,F


NEW QUESTION # 151
Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.)

A. defining primary keys for all tables to speed up all queriesB. using check constraints to speed up updatesC. the configuration of storage arraysD. the physical data modelE. defining foreign keys for all tables to speed up joins

Answer: A,C


NEW QUESTION # 152
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.B. After the change, any user with the required privilege can create an undo tablespace in the PDBs.C. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.D. After the change, each existing PDB has to be reopened for the new undo mode to take effect.E. Undo tablespaces existing in PDBs must be dropped before the change.F. After the change, only one undo tablespace can exist in CDB$ROOT.

Answer: A,F

Explanation:
Explanation
You can set a CDB in local UNDO mode either at CDB creation or by altering the CDB property. When the database property LOCAL_UNDO_ENABLE is FALSE, which is the default, there is only one UNDO tablespace that is created in the CDB root, and that is shared by all containers. When LOCAL_UNDO_ENABLE is TRUE, every container in the CDB uses local undo and each PDB must have its own local UNDO tablespace. To maintain ease of management and provisioning, UNDO tablespace creation happens automatically and does not require any action from the user. When a PDB is opened and an UNDO tablespace is not available, its automatically created.


NEW QUESTION # 153
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