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IT Certifications · 1Z0-082

Oracle Database Administration I Exam Practice Test

Oracle Database Administration I focuses on foundational administration of Oracle Database, including how database components handle SQL work, data changes, storage metadata, and diagnostics. The available practice material touches on SQL and PL/SQL tools, views and constraints, transactions, dictionary views, background processes, redo logging, user profiles, resource controls, and the Automatic Diagnostic Repository (ADR).

Exam overview

Exam providerOracle
Exam code1Z0-082
CategoryIT Certifications

About the Oracle Database Administration I Exam

Administrative work requires understanding how Oracle coordinates changes and preserves database consistency. Transaction questions connect COMMIT behavior with redo generation and the role of the Log Writer process; data-block writing involves the Database Writer process. Other practice topics address reading metadata about data files and tablespaces, enforcing referential integrity with foreign keys, and creating views from queries. Resource-management items explore how consumer groups can limit CPU or parallel execution, while profile questions concern controls associated with database users. Diagnostic scenarios introduce ADR as a repository for database diagnostic information. Together, these subjects call for distinguishing database components by responsibility, selecting suitable SQL or command-line interfaces, and interpreting how administration choices affect sessions, data, and resource use.

Sample Practice Questions

Review a selection from this exam's published US Practice Tests practice bank.

Question 1

Which SQL statement creates a view named ACTIVE_EMPLOYEES based on a query of the EMPLOYEES table?

  1. AMAKE VIEW ACTIVE_EMPLOYEES AS SELECT * FROM EMPLOYEES;
  2. BCREATE VIEW ACTIVE_EMPLOYEES AS SELECT * FROM EMPLOYEES;
  3. CNEW VIEW ACTIVE_EMPLOYEES FROM EMPLOYEES;
  4. DDEFINE VIEW ACTIVE_EMPLOYEES SELECT * FROM EMPLOYEES;
Show answerCorrect answer: B

Oracle creates a view with CREATE VIEW view_name AS followed by a query. A view stores a query definition and presents its result as a logical table; the alternative command forms are not valid Oracle syntax.

Question 2

What is the primary role of the Oracle Automatic Diagnostic Repository (ADR)?

  1. ATo store diagnostic data such as trace files and incident information
  2. BTo maintain application table indexes automatically
  3. CTo provide a replacement for the online redo log
  4. DTo assign object privileges to database users
Show answerCorrect answer: A

ADR is a repository for database diagnostic data, including alert logs, trace files, and incident information. It is not an index manager, redo log replacement, or privilege administration mechanism.

Question 3

A session needs to run a sequence of SQL statements as one unit of work. Which command marks the start of an explicit transaction in Oracle?

  1. ABEGIN TRANSACTION;
  2. BSTART TRANSACTION;
  3. CSET TRANSACTION;
  4. DOPEN TRANSACTION;
Show answerCorrect answer: C

Oracle uses SET TRANSACTION to establish transaction characteristics and begin an explicit transaction. Oracle does not use the BEGIN TRANSACTION or START TRANSACTION syntax commonly found in some other database systems.

Question 4

Which Oracle dictionary view provides information about database files, including their names and associated tablespaces?

  1. ADBA_DATA_FILES
  2. BDBA_USERS
  3. CDBA_CONSTRAINTS
  4. DDBA_ROLES
Show answerCorrect answer: A

`DBA_DATA_FILES` describes data files in the database, including file names and tablespace associations. Access to DBA-prefixed views generally depends on the user's privileges.

Question 5

Which Oracle Database background process is primarily responsible for writing modified data blocks from the database buffer cache to data files?

  1. ALGWR
  2. BDBWn
  3. CSMON
  4. DCKPT
Show answerCorrect answer: B

Database Writer processes (DBWn) write modified, or dirty, buffers from the database buffer cache to data files. LGWR writes redo, SMON performs system monitoring and recovery tasks, and CKPT coordinates checkpoint information.

Question 6

Which command-line tool provides an interactive interface for executing SQL and PL/SQL against an Oracle database?

  1. ASQL*Plus
  2. BRMAN
  3. CDBCA
  4. DADRCI
Show answerCorrect answer: A

SQL*Plus is an interactive command-line tool for connecting to Oracle Database and running SQL and PL/SQL. RMAN handles backup and recovery, DBCA assists with database configuration, and ADRCI works with diagnostic data.

Question 7

Which Oracle database feature can limit how much CPU or parallel execution resource a consumer group receives?

  1. ADatabase Resource Manager
  2. BTransparent Data Encryption
  3. CFlashback Data Archive
  4. DAutomatic Undo Management
Show answerCorrect answer: A

Database Resource Manager lets administrators define resource plans and manage resource allocation among consumer groups, including CPU and parallel execution resources.

How to use this practice test

The free practice session presents up to 20 randomly selected questions from the 50-question bank. Answer them as Oracle Database scenarios, paying attention to distinctions such as redo logging versus data-block writing and constraints versus user profiles. Results appear after the session, helping you identify which concepts to revisit.

Preparation tips

  • Trace a transaction through COMMIT and identify when redo must be written to the online redo log.
  • Compare the responsibilities of DBWR and LGWR, especially data-file block writes versus redo-log writes.
  • Practice querying dictionary views for file and tablespace metadata, and distinguish those views from application views.
  • Review how foreign key constraints, user profiles, and resource consumer groups address different administration needs.
  • Use SQL*Plus or another relevant command-line workflow to practice issuing SQL and PL/SQL statements, including view creation.
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