Free Access Oracle.1Z0-083.v2022-07-24.q137 Practice Test (Page 11)

Question 46

Examine this output:

Which two are true? (Choose two.)

A.PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.

B.PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.

C.PDB1 is always limited to 40% of the available system resources regardless of demand.

D.Any PDB not specified in the plan will be unable to execute statements in parallel.

E.Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources.

F.PDB3 can use all available parallel execution processes at times.

Question 47

Examine this configuration:
CDB1 is a container database.
PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:

Which two are true? (Choose two.)

A.PDB$SEED is in READ ONLY state.

B.Redo logs are opened.

C.PDB1 and PDB2 are in MOUNT state.

D.CDB$ROOT is in MOUNT state.

E.PDB1 and PDB2 are in READ ONLY state.

Question 48

choose three Which three are true about unified auditing in full mode?

A.The unified audit trail is written to a read-only table.

B.Audit records are created for SYS.

C.Audit records are created for COMMIT, ROLLBACK, and SAVEPOINT statements.

D.The unified audit trail is written to a read-only external file.

E.Audit records are created for non-sys users.

Question 49

Choose two. In which two situations can you use Database Upgrade Assistant?

A.when the target and source database are on the same platform

B.when a character set conversion is required during the upgrade

C.when the operating system (OS) needs to be changed as part of the upgrade

D.when multiple pluggable databases in a container database have to be upgraded in a specific sequence

E.when the hardware platform needs to be changed as part of the upgrade

Question 50

You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: create table employees (empno number, salary number, deptid number, name varchar2(100), period for employee_time); Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?

A.Thesamestatementmayfilteronbothtransactiontimeandvalidtemporaltimebyusingthe AS OF TIMESTAMP and PERIOD FOR clauses.

B.The valid time columns are not populated by the Oracle Server automatically.

C.The valid time columns are visible by default when the table is described.

D.Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulation language (DML), data definition language (DDL), and queries performed by the session.

E.The valid time columns employee_time_start and employee_time_end are automatically created.

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Question 46

Question 47

Question 48

Question 49

Question 50

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