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Free Oracle 1z0-497 Practice Exam with Questions & Answers | Set: 5

Questions 41

What must you do to an application for it to take advantage of partitioning?

Options:
A.

recompile it

B.

rewrite its SQL queries

C.

relink

D.

rework the applications schema

E.

nothing; it is transparent

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Questions 42

1z0-497 Question 42

Which two statements about this policy are true?

Options:
A.

It replaces the first four digits of the value from the SALARY column with the number 9.

B.

It replaces the first digit of the value from the SALARY column with the number 4.

C.

It replaces the first digit of the value from the COMMISSION_PCTcolumn with 9.

D.

It replaces the first nine digits of the value from the COMMISSION_PCTcolumn with 1.

E.

It uses the full data redaction method.

F.

It uses the random redaction method.

Questions 43

Which three statements are true about database storage structures?

Options:
A.

A data file can span across tablespaces.

B.

An extent contains one or more segments.

C.

Tablespaces contain one or more data files.

D.

Data objects are stored as segments in tablespaces.

E.

Segments can span across data files within a tablespace.

Questions 44

Which three background processes are mandatory in a database Instance started with a minimally configured Initialization parameter file?

Options:
A.

Process Monitor Process (PMON)

B.

Flashback Data Archive process (FBDA)

C.

Space Management Coordinator process (SMCO)

D.

Recoverer process (RECO)

E.

Listener Registration process (LREG)

F.

Checkpoint Process

Questions 45

You are in the middle of transaction, updating a table. The machine on which the database is running reboots because of a power outage. This causes a database instance failure.

Which statement is true in this situation?

Options:
A.

The online redo log files and archived redo log files are required to accomplish a recovery.

B.

The uncommitted transaction is committed at the next startup of the database instance.

C.

The uncommitted transaction is rolled back automatically at the next opening of the database.

D.

The DBA has to perform a recovery on the database to recover the uncommitted transaction.

Exam Code: 1z0-497
Certification Provider: Oracle
Exam Name: Oracle Database 12c Essentials
Last Update: May 16, 2025
Questions: 150