Free Access Oracle.1z0-063.v2022-10-18.q151 Practice Test (Page 24)

Question 111

Which three factors influences the optimizer's choice of an execution plan? (Choose three.)

A.Object statistics in the data dictionary

B.Cardinality estimates

C.Type of connection used to connect to database instance

D.Fixed baselines

E.The OPTIMIZER_MODE initialization parameter

Question 112

Examine the command:

Which statement is true about the execution of the command?

A.It succeeds and exports the full database, simultaneously creating three dump files at three different locations, but the total number of dump files can exceed three.

B.It fails because the log file parameter is not specified.

C.It succeeds and exports the full database, simultaneously creating three copies of dump files at three different locations.

D.It fails because no absolute path is specified for the log file and dump file.

Question 113

For which two requirements would you use the Database Resource Manager?

A.limiting the CPU used per database call

B.specifying the amount of private space a session can allocate in the shared pool of the SGA

C.specifying an idle time limit that applies to sessions that are idle and blocking other sessions

D.limiting the degree of parallelism of operations performed by a user or group of users

E.specifying the maximum number of concurrent sessions allowed for a user

Question 114

RMAN is connected to the target database prod1 and an auxiliary instance in nomount state. Examine the command to create a duplicate database:
RMAN> DUPLICATE TARGET DATABASE TO dup1
FROM ACTIVE DATABASE
NOFILENAMECHECK
PASSWORD FILE
SPFILE;
Which two statements are true about the execution of the duplicate command?

A.The duplicate database is created without using RMAN backups and prod: is allowed to remain open during duplication.

B.The password file and SPFILE for theduplicate database dup1 are created in their respective default locations.

C.All archive redo log files are automatically copied to the duplicate database.

D.The duplicate database has the same directory structure as the source database.

E.the duplicate command.

F.The duplicate database is created by using the backups created during the execution of

Question 115

In an Oracle 12c database, you attempt to load data into the HR.EMPLOYEES table in a pluggable database (PDB):
$> sqlldr hr/hr@pdb table=employees
Which three are true? (Choose three.)

A.It loads data into HR.EMPLOYEES if the table exists in CDB$ROOT.

B.It creates the HR.EMPLOYEES table in the PDB and loads data into it if the table does not exist in the PDB to which HR connects.

C.It loads data into HR.EMPLOYEES if the table exists in the PDB to which HR connects.

D.It succeeds if HR is local user in the PDB to which HR connects.

E.It succeeds if HR is a common user.

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