Oracle Upgrade Oracle DBA 11g or 12c to 12c R2 - 1z1-074 Free Exam Questions

QUESTION NO: 1
One of your databases supports an OLTP workload.
If a better plan is discovered for a statement, then you want that plan to be used.
Which two can cause better plans to be used for a statement? (Choose two.)

Correct Answer: A,B
QUESTION NO: 2
You create and enable a unified audit policy on a database that has the default auditing configuration.

The OE user, who has the DBA role, executes these statements.

What is true about the SELECT statement and why?

Correct Answer: D
QUESTION NO: 3
Which statement is true about transportable tablespaces?

Correct Answer: B
QUESTION NO: 4
You plan to use Information Lifecycle Management (ILM) for the ORDERS table.
Which is true about Heat Map statistics when HEAT_MAP is ON?

Correct Answer: E
QUESTION NO: 5
Which three types of database objects can have their columns stored in the In-Memory column store? (Choose two.)

Correct Answer: A,C
QUESTION NO: 6
You plan to execute this command:

Which statement is true and why?

Correct Answer: E
QUESTION NO: 7
Examine these parameters in a PFILE used to start database instance.

Which two statements are true after an instance restart is attempted and why? (Choose two.)

Correct Answer: A,C
QUESTION NO: 8
In which situation can the optimizer choose a hash join?

Correct Answer: C

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