Most Recent Oracle 1Z0-497 Exam Questions & Answers

Prepare for the Oracle Database 12c Essentials exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-497 exam and achieve success.

The questions for 1Z0-497 were last updated on Nov 20, 2024.

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Question No. 1

In Oracle Database 12c, when does a transaction begin?

Awhen a transaction ID is allocated for it.

Bwhen a user explicitly issues a 'begin' statement

Cwhen a transaction is assigned to an available undo data segment to record undo entries for the new transaction

Dwhen the first executable SQL statement is encountered

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Correct Answer: D

https://docs.oracle.com/database/121/CNCPT/transact.htm#CNCPT038

Question No. 2

Which three statements are true about a database instance that has mounted a database but has not opened it?

ASystem administrators and users with the CREATE SESSION system privilege may connect to the instance.

BData files are open in read-only mode.

CA control file is open.

DSystem Global Area (SGA) is allocated and background processes are started.

EAn alert log and trace files are open.

FInstance recovery is performed for the database.

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Correct Answer: C, D, E

Question No. 3

Which two statements about multi section backup are true?

AIt is available only for full backups.

BIt supports incremental backups and image copies.

CBackup for each data file is divided into sections and is backed up in parallel. However, for image copies, sections are backed up sequentially.

DFor image copies, sections are backed up in parallel and recomposed at the end.

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Correct Answer: B, D

https://docs.oracle.com/database/121/BRADV/rcmbckba.htm#BRADV380

Specifying Multisection Incremental Backups

Making Multisection Backups Using Image Copies

Question No. 4

YOU want to move all objects of the CONSULTANT user from the test database to theDB-USER schema of the production database. Which option of IMPDP would you use to accomplish this task?

AFULL

BSCHEMAS

CTRANSFORM

DREMAP_SCHEMA

EREMAP_TABLESPACE

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Correct Answer: D

Question No. 5

Oracle Database 12c provides new task-specific privileges (SYSBACKUP, SYSDG, and SYSKM) to handle standard administration duties. Which two statements about these standard administration privileges are true?

AThese administrative privileges enable you to connect to the database only if the database is open.

BAfter connecting with these privileges, you are connected under a predefined user whose name is the privilege name.

CThese administrative privileges allow a user to view DBA_xxx, GV$, VS, and SELECT on application tables.

DWithout being a member of OSBACKUP. OSDG, and OSKM OS groups, users cannot connect as administrative users by using OS authentication.

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Correct Answer: B, D

https://docs.oracle.com/database/121/ADMIN/dba.htm#ADMIN11052

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