Free Access Oracle.1z0-062.v2022-12-05.q411 Practice Test (Page 45)

Question 216

The HR user updates the salary of one of the employees in the non-partitioned
EMPLOYEES table, but does not commit the transaction.
Which two types of lock exist in this situation?

A.shared lock on theEMPLOYEEStable

B.null lock on theEMPLOYEEStable

C.null lock on the row being updated

D.exclusive lock on theEMPLOYEEStable

E.row level lock on the row being updated

Question 217

Which two statements are true about Oracle Data Pump export and import operations? (Choose two.)

A.You can detach from a data pump export job and reattach later.

B.Data pump uses parallel execution server processes to implement parallel import.

C.Data pump import requires the import file to be in a directory owned by the oracle owner.

D.The master table is the last object to be exported by the data pump.

E.You can detach from a data pump import job and reattach later.

Question 218

Which four are true about creating and running a remote database scheduler jobs? (Choose four.)

A.Remote database jobs always run as the same user who submits the job on the local database

B.A database destination group must exist or be created for a job to run on multiple remote databases

C.A credential is optional for a remote database job

D.It must run as a user that is defined on the remote database

E.A database destination must exist or be created for the remote database

F.A credential must be created to define the remote user

G.A destination is optional for a remote database job because DB links can be used instead

Question 219

Examine the details of the uncompressed, non-partitioned heap table CITIES.

Examine the command:
SQL> ALTER TABLE cities SHRINK SPACE COMPACT;
What must you do before executing it?

A.Ensure there are no pending transactions on the table.

B.Disable all indexes on the table.

C.Enable row movement is enabled.

D.Ensure free space that is approximately equal to the space used by the table should be available.

Question 220

Examine the commands executed to monitor database operations:
$> conn sys oracle/oracle@prod as sysdba
SQL > VAR eid NUMBER
SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION ('batch_job' , FORCED_TRACKING => 'Y');
Which two statements are true? (Choose two.)

A.Database operations will be monitored only when they consume a significant amount of resource.

B.Database operations for all sessions will be monitored.

C.Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + TUNING.

D.Only DML and DDL statements will be monitored for the session.

E.All subsequent statements in the session will be treated as one database operation and will be monitored.

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