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Home > Oracle > Oracle Certifications > 1Z0-497
Oracle 1Z0-497  Exam Questions & Answers
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Oracle 1Z0-497 Exam Questions & Answers


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  • Vendor: Oracle

    Exam Code: 1Z0-497

    Exam Name: Oracle Database 12c Essentials

    Certification Provider: Oracle

    Total Questions: 150 Q&A

    Updated on: May 30, 2026

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1Z0-497 Online Practice Questions and Answers

Questions 1

Which three components are always part of System Global Area?

A. Database Buffer Cache

B. Undo Log Buffer

C. Shared Pool

D. Small Pool

E. Java Pool

F. Private SQL Area

Show Answer

Correct Answer: ACE

Reference: http://docs.oracle.com/cd/E11882_01/server.112/e40540/memory.htm#CNCPT802

Questions 2

Which command do you use to create a local role while you are connected as the local user?

A. create local role l_hr;

B. create role c##_hr container=current;

C. create role l_hr container=current;

D. create role l_hr container=all;

Show Answer

Correct Answer: C

You can include CONTAINER=CURRENT in the CREATE ROLE statement to specify the role as a local role.

Reference: Oracle Database Security Guide , Creating a Local Role

Questions 3

You want to start a global service on your database. Which three conditions must be met?

A. The database is open and registered with a global service manager.

B. The service has been disabled on that database.

C. The database role is different from the role attribute of the service.

D. The replication lag on the database does not exceed the maximum value specified for the service.

E. The service has reached its cardinality defined by the number of preferred databases.

F. No other database in the pool is a better candidate for starting the service.

Show Answer More Questions

Correct Answer: ABD

A: To provide global services, a database must be added to a Global Data Services pool. The valid node checking for registration (VNCR) feature provides the ability to configure and dynamically update a set of IP addresses, host names, or subnets from which registration requests are allowed by the global service manager. Database instance registration with a global service manager succeeds only when the request originates from a valid node.

* Starting a Global Service

The gdsctl start service command is used to start an existing service on the Global Data Services pool databases.

GDSCTL>start service -service emp_report1 -gdspool hr If the -role parameter is specified for the service, the service only starts on the databases in which the role matches the specified value (not C). If the -lag parameter is specified for the service, the service only starts on the databases for which replication lag does not exceed the specified value (D). Unless -preferred_all is specified for the service, the service only starts on the databases that are listed as preferred for the service.

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