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1z0-497 Exam Dumps : Oracle Database 12c Essentials

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Oracle Database 12c Essentials Questions and Answers

Question 1

Which two statements about PDBs and CDBs are true?

Options:

A.

There is only one SYSTEM tablespace per CDB.

B.

There is only one instance per PDB.

C.

There is a set of redo log files per PDB.

D.

There is only one UNDO tablespace per CDB.

E.

There is one SYSAUXtablespace per PDB.

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Question 2

In this SQL statement, what is the partitioning criteria?

CREATE TABLE books_part

PARTITION BY RANGE (cell_id) (

PARTITION p0l VALUES LESS THAN (2),

PARTITION p02 VALUES LESS THAN (3) ,

. . .

PARTITION pl4 VALUES LESS THAN (15),

PARTITION pl5 VALUES LESS THAN (16),

PARTITION pl6 VALUES LESS THAN (MAXVALUE)

)

AS SELECT * FROM books;

Options:

A.

books

B.

pxx

C.

MAXVALUE

D.

cell_id

E.

There is no partitioning criteria.

Question 3

Real-Time ADDM detects a high-load performance issue within the database. Which condition triggered it?

Options:

A.

The average active sessions were more than three times the number of CPU cores.

B.

Active sessions were more than 10% of total load and CPU utilization was more than 50%.

C.

Memory allocations were more than 95% of physical memory.

D.

Hung sessions were more than 10% of total sessions.

E.

A deadlock was detected.

F.

The session limit was close to 100%.