Oracle 1Z0-082 Practice Exam Questions & Answers (2026)

Learn the physical and logical structure of Oracle databases including instance configurations, memory structures, and process architecture. This foundation is essential for all administrative tasks.

Master startup and shutdown procedures, initialization parameters, and diagnostic tools including the Alert Log and Automatic Diagnostic Repository. You will use Data Dictionary and Dynamic Performance Views constantly.

Control access through user creation, role assignment, and privilege management while applying least privilege principles. Learn to configure authentication methods and set resource quotas with profiles.

Implement tablespaces, manage segments and datafiles, and use space-saving features like compression. Deploy resumable space allocation and understand block space management for efficient storage.

Load and unload data using Oracle Data Pump, SQL*Loader, and external tables. These tools are critical for migration and integration tasks.

Use SQL Plus, SQL Developer, Enterprise Manager Cloud Control, and Database Express for administration. Learn DBCA for database creation and configuration.

Configure the Oracle Net Listener, naming methods, and communication protocols between databases. Understand dedicated versus shared server configurations.

Create and alter tablespaces, manage datafiles, and implement Oracle Managed Files. Learn to view tablespace information and move files while the database is online.

Understand transactions and undo data, configure undo retention, and distinguish undo from redo. Learn to store and manage undo information and temporary undo.

Write SQL queries that filter rows with WHERE clauses, use substitution variables, and apply operator precedence rules. Use DEFINE and VERIFY commands in SQL Plus.

Apply conversion functions like TO_CHAR, TO_NUMBER, and TO_DATE. Use conditional expressions with NVL, NULLIF, and COALESCE and understand implicit type conversion.

Master different join types including inner, outer, self, and non-equijoins. Select the correct join syntax for complex query requirements.

Combine result sets with UNION, UNION ALL, INTERSECT, and MINUS. Apply ORDER BY correctly in set operations.

Use DDL statements to create and modify database structures. These statements commit automatically and control the physical structure of the database.

Create, modify, and drop views to simplify queries and restrict user access. Apply complex view logic and understand view constraints.

Work with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP functions. Use INTERVAL data types to handle time zone-aware calculations.

Construct SELECT statements with column aliases, concatenation, and DISTINCT. Use DESCRIBE to explore table structure and arithmetic expressions with NULLs.

Apply character, date, and numeric functions in SELECT and WHERE clauses. Use ROUND, TRUNC, MOD, and date functions to manipulate data.

Create summaries with COUNT, SUM, AVG, MIN, and MAX. Use GROUP BY and HAVING to organize and filter aggregated results.

Write single-row and multiple-row subqueries to solve complex problems. Nest subqueries in WHERE and SELECT clauses.

Insert, update, and delete data with DML. Control transactions with COMMIT and ROLLBACK, and manage transaction consistency.

Create and manage sequences for automatic numbering, synonyms for object aliases, and indexes for query performance. Understand when each is appropriate.

Create temporary tables for session-specific data and manage constraints to enforce data integrity. Apply constraints that protect referential integrity.