Oracle Database Administration II Certification: Complete Guide 2026
1Z0-083
The Oracle Database Administration II certification validates advanced skills in managing, configuring, and maintaining Oracle Database environments, including backup and recovery, performance tuning, and database security.
Exam Details
Resources
Everything you need to pass
Comprehensive preparation materials for your Oracle Database Administration II exam
Exam Content
Exam Domains & Topics
Master these 4 domains to pass your exam
Backup and Recovery
Database Performance Management
Database Security and Auditing
Database Maintenance and Space Management
Who Should Take This Exam?
- Database administrators with 2+ years of Oracle Database experience
- IT professionals seeking to advance their Oracle DBA career
- System administrators managing enterprise Oracle Database environments
- Database professionals preparing for senior-level roles
Study Timeline
10-14 weeks
Recommended duration
Foundation · Weeks 1-2
Review exam objectives & core concepts
Deep Dive · Weeks 3-6
Study each domain with hands-on labs
Practice & Review · Weeks 7-8
Take practice exams & target weak areas
Study Guide
1Z0-083 Study Plan
The Oracle Database Administration II (1Z0-083) certification validates advanced DBA skills in Oracle Database 19c and later versions. This professional-level exam focuses on backup and recovery, performance tuning, security implementation, and database maintenance - critical competencies for production DBAs managing enterprise Oracle environments.
Week 1-2
Backup and Recovery Fundamentals
Master RMAN basics and backup strategies
- Configure RMAN settings and Fast Recovery Area
- Practice full and incremental backups
- Understand backup formats (backup sets vs. image copies)
- Learn RMAN reporting and validation commands
- Study backup optimization techniques
Week 3-4
Advanced Recovery Scenarios
Master recovery operations and flashback technologies
- Practice complete and incomplete recovery
- Master point-in-time recovery (PITR)
- Implement Flashback Database, Table, and Drop
- Use Data Recovery Advisor
- Practice recovery in different failure scenarios
- Understand RMAN duplicate database
Week 5-6
Performance Tuning and Monitoring
Deep dive into performance management tools
- Generate and analyze AWR reports
- Interpret ADDM findings and recommendations
- Configure and tune memory components
- Use SQL Tuning Advisor effectively
- Implement SQL Plan Management
- Configure Resource Manager
- Understand wait events and their resolution
Week 7-8
Database Security Implementation
Implement comprehensive security and auditing
- Configure Unified Auditing policies
- Implement Transparent Data Encryption
- Create Data Redaction policies
- Understand Database Vault basics
- Configure Fine-Grained Auditing
- Implement Virtual Private Database
- Perform privilege analysis
Week 9-10
Space and Storage Management
Master ASM and space management techniques
- Configure and manage ASM disk groups
- Implement partitioning strategies
- Manage tablespaces and datafiles
- Create and schedule maintenance jobs
- Perform space reclamation
- Manage materialized views
- Understand automatic maintenance tasks
Week 11
Integration and Review
Review all domains and practice integrated scenarios
- Review all exam objectives systematically
- Practice integrated scenarios combining multiple domains
- Take full-length practice exams
- Identify and strengthen weak areas
- Review official documentation for gaps
Week 12
Final Preparation
Final review and exam readiness
- Take multiple timed practice exams
- Review incorrect answers thoroughly
- Create quick reference sheets for exam day
- Practice time management strategies
- Review key RMAN commands and syntax
- Rest well before exam day
Study tips
Hands-On Practice is Critical
- Install Oracle Database 19c in a VM or use Oracle Cloud Free Tier
- Practice every RMAN command you study - reading is not enough
- Create realistic failure scenarios and practice recovery procedures
- Build a personal lab checklist covering all exam objectives
- Document your practice sessions with command outputs for review
Master RMAN Thoroughly
- RMAN is the most heavily tested topic - allocate 30% of study time here
- Memorize common RMAN command syntax and parameters
- Understand the difference between backup types (full, incremental, differential)
- Practice recovery scenarios until they become second nature
- Know retention policies, obsolete backups, and backup optimization
- Understand Fast Recovery Area configuration and management
Performance Tuning Focus Areas
- Learn to read and interpret AWR reports - exam includes report excerpts
- Understand wait events and what they indicate (db file sequential read, etc.)
- Know memory components (SGA, PGA) and automatic memory management
- Practice using SQL Tuning Advisor and understanding its recommendations
- Study SQL execution plans and how to interpret them
- Understand the difference between ADDM, ASH, and AWR
Security Implementation Knowledge
- Understand Unified Auditing architecture and how it differs from traditional auditing
- Know when to use TDE for columns vs. tablespaces
- Practice creating Data Redaction policies with different redaction types
- Understand VPD implementation and use cases
- Know Database Vault realms and command rules conceptually
- Study privilege analysis and how to identify excessive privileges
Documentation Navigation
- Bookmark key Oracle 19c documentation pages for quick reference during study
- Use Oracle documentation search effectively - it's comprehensive
- Read the concepts sections, not just command syntax
- Review examples in documentation - they often mirror exam scenarios
- Oracle-Base.com provides clearer explanations for complex topics
Exam Question Strategies
- Read questions carefully - look for keywords like 'most efficient' or 'least privilege'
- Eliminate obviously wrong answers first in multiple choice questions
- Watch for scenario-based questions requiring you to identify the problem
- Some questions test your knowledge of what NOT to do
- Time management: spend 90 seconds per question maximum on first pass
- Mark difficult questions for review and move on
Common Pitfalls to Avoid
- Don't just memorize commands - understand when and why to use them
- Don't skip ASM - it's heavily tested despite seeming optional
- Don't neglect Flashback technologies - they're modern recovery tools
- Don't confuse similar features (e.g., Flashback Query vs. Flashback Table)
- Don't assume 12c knowledge is enough - study 19c-specific features
- Don't rely solely on practice tests - hands-on experience is essential
Final Week Preparation
- Take at least 2-3 full-length practice exams under timed conditions
- Review all incorrect answers and understand why you got them wrong
- Create a one-page reference sheet of critical RMAN commands
- Review exam objectives checklist and ensure you've covered everything
- Focus on weak areas identified in practice exams
- Get adequate rest - don't cram the night before
Exam day checklist
- Arrive early or log in 15 minutes before online exam start time
- Read each question completely before looking at answers
- Watch for scenario questions that require identifying the root cause
- Pay attention to qualifiers like 'most efficient', 'best practice', 'minimum privilege'
- Use the mark for review feature for questions you're unsure about
- Manage your time: 120 minutes for 78 questions = ~92 seconds per question
- On first pass, answer all questions you're confident about
- Second pass: tackle marked questions and review if time permits
- Don't overthink questions - your first instinct is often correct
- For RMAN questions, visualize the command syntax you practiced
- If stuck between two answers, choose the Oracle-recommended best practice
- There's no penalty for guessing - answer every question
- Stay calm - 57% passing score means you can miss 33 questions and still pass
Career
Career Opportunities
Roles and salary potential for Oracle Database Administration II certified professionals
Related Job Titles
$115,000
Average Annual Salary
From the Blog
Related Articles
Guides and insights for Oracle Database Administration II professionals
Prerequisites
Oracle Database Administration I (1Z0-082) certification or equivalent knowledge Practical experience with Oracle Database 19c or later versions Understanding of SQL and PL/SQL fundamentals Experience with database backup, recovery, and performance tuning
Oracle Database Administration II FAQs
Common questions about the 1Z0-083 certification exam
The Oracle Database Administration II (1Z0-083) certification is a professional-level credential that validates advanced skills in Oracle Database administration. It demonstrates expertise in backup and recovery, performance tuning, security management, and database maintenance for Oracle Database 19c and later versions.
The 1Z0-083 exam is considered moderately to highly difficult, requiring in-depth knowledge of Oracle Database administration concepts and hands-on experience. It builds upon foundational DBA skills and tests advanced topics like RMAN backup strategies, performance tuning, and security implementation. Most candidates need 10-14 weeks of dedicated study and practical experience to pass.
Oracle Database Administration II certified professionals typically earn between $95,000 and $135,000 annually in the United States, with an average salary around $115,000. Salaries vary based on location, years of experience, company size, and additional skills. Senior DBAs with this certification in major tech hubs can earn significantly more.
While Oracle recommends completing the Database Administration I (1Z0-082) certification first, it is not a mandatory prerequisite. However, the 1Z0-083 exam assumes you have foundational DBA knowledge covered in 1Z0-082, so most candidates benefit from taking them in sequence.
The 1Z0-083 exam primarily focuses on Oracle Database 19c, which is Oracle's long-term support release. The skills and concepts are also applicable to Oracle Database 21c and newer versions, as well as Oracle Cloud Database services.
About the Oracle Database Administration II Certification
The Oracle Database Administration II (1Z0-083) is a professional-level certification offered by Oracle. This certification validates your expertise in database administration and is recognized globally by employers seeking qualified professionals. The exam consists of 78 questions to be completed in 120 minutes, with a passing score of 57%. The exam fee is $245, and the certification is valid for Lifetime (no expiration).
Why Get Oracle Database Administration II Certified?
- Career Advancement: Certified professionals earn an average of $115,000 per year. Oracle-certified professionals are among the most sought-after in the database administration industry.
- Industry Recognition: Oracle certifications are respected worldwide by employers, demonstrating verified competency in database administration technologies and practices.
- Skill Validation: The Oracle Database Administration II exam rigorously tests your knowledge across 4 domains, ensuring you have the practical skills employers demand.
Oracle Database Administration II Exam Format & Details
The 1Z0-083 exam is designed to test both theoretical knowledge and practical application. Candidates are given 120 minutes to complete the exam, which contains approximately 78 questions. A score of 57% is required to pass. As a professional-level exam, it requires significant hands-on experience and deep technical knowledge. Prerequisites include: Oracle Database Administration I (1Z0-082) certification or equivalent knowledge Practical experience with Oracle Database 19c or later versions Understanding of SQL and PL/SQL fundamentals Experience with database backup, recovery, and performance tuning.
Exam Domains & Topics
The Oracle Database Administration II exam covers 4 key domains. Understanding the weight of each domain helps you allocate your study time effectively:
- Backup and Recovery (30% of exam)
- Database Performance Management (25% of exam)
- Database Security and Auditing (25% of exam)
- Database Maintenance and Space Management (20% of exam)
Who Should Take the Oracle Database Administration II Exam?
This certification is designed for professionals in the following roles:
- Database administrators with 2+ years of Oracle Database experience
- IT professionals seeking to advance their Oracle DBA career
- System administrators managing enterprise Oracle Database environments
- Database professionals preparing for senior-level roles
Career Opportunities & Salary
Earning the Oracle Database Administration II certification opens doors to roles such as Senior Oracle Database Administrator, Oracle DBA Specialist, Database Systems Engineer, Oracle Database Architect. Certified professionals earn an average salary of $115,000 per year, reflecting the high demand for database administration skills in today's job market.
Recertification & Renewal
The Oracle Database Administration II certification is valid for Lifetime (no expiration). To maintain your credential, you will need to meet Oracle's renewal requirements before your certification expires. This may include earning continuing education credits, passing a recertification exam, or earning a higher-level certification.
Exam Registration & Cost
The 1Z0-083 exam costs $245. You can register through Oracle's official website or an authorized testing center. Most candidates choose between in-person testing at a Pearson VUE or PSI center and online proctored exams taken from home. Be sure to review the exam policies, including identification requirements and prohibited items, before your test date.
How to Prepare for 1Z0-083
We recommend 10-14 weeks of dedicated study time to prepare for the Oracle Database Administration II exam. Start by reviewing the official exam objectives, then work through each domain systematically. Regular practice with exam-style questions is essential for building confidence and identifying weak areas. Combine reading with hands-on practice to develop both theoretical knowledge and practical skills.
HydraNode publishes free exam dumps with answers and explanations for more than 80 certification exams. Every question is written to the published objectives, so what you practise matches the format and difficulty of the actual 1Z0-083 exam.