Oracle Database 19c: Performance Management and Tuning Certification: Complete Guide 2026
1Z0-084
This certification validates expertise in Oracle Database 19c performance monitoring, diagnostic tools, SQL tuning, and optimization techniques to ensure efficient database operations and troubleshooting.
Exam Details
Resources
Everything you need to pass
Comprehensive preparation materials for your Oracle Database 19c: Performance Management and Tuning exam
Exam Content
Exam Domains & Topics
Master these 5 domains to pass your exam
Introduction to Performance Tuning
Database Performance Monitoring
SQL Tuning and Optimization
Memory and I/O Management
Performance Tuning Features and Tools
Who Should Take This Exam?
- Database administrators with Oracle 19c experience seeking performance optimization skills
- Senior DBAs responsible for database performance monitoring and tuning
- IT professionals looking to specialize in Oracle database performance management
- Database consultants who need to troubleshoot and optimize Oracle databases
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
1Z0-084 Study Plan
The Oracle Database 19c Performance Management and Tuning certification (1Z0-084) validates your expertise in optimizing Oracle Database 19c performance. This professional-level certification demonstrates your ability to monitor database performance, tune SQL statements, manage memory and I/O resources, and utilize Oracle's performance tuning tools effectively. This certification is highly valued for DBAs and performance specialists working with enterprise Oracle environments.
Week 1-2
Foundations and Performance Monitoring
Build foundational knowledge of Oracle performance architecture and master monitoring tools
- Complete Oracle Database 19c Performance Tuning Guide chapters 1-5
- Understand performance tuning methodology
- Master AWR, ADDM, and ASH concepts
- Learn to interpret performance views
- Set up practice environment with sample database
Week 3-4
Deep Dive into SQL Tuning
Master SQL optimization techniques and execution plan analysis
- Learn to read and interpret execution plans
- Understand optimizer statistics and their impact
- Practice with SQL Tuning Advisor
- Study index design and optimization
- Explore SQL Plan Management features
Week 5-6
SQL Optimization Advanced Topics
Advanced SQL tuning techniques and optimizer features
- Master SQL profiles and plan baselines
- Understand adaptive query optimization
- Learn parallel execution concepts
- Study partitioning for performance
- Practice with SQL Access Advisor
Week 7-8
Memory and I/O Management
Master memory structures and I/O optimization
- Understand SGA and PGA architecture
- Learn memory management modes (AMM, ASMM, manual)
- Study buffer cache and shared pool tuning
- Master I/O subsystem optimization
- Practice with memory advisors
Week 9-10
Performance Tools and Advanced Features
Master Oracle's performance tuning tools and features
- Learn SQL Performance Analyzer usage
- Understand Database Replay concepts
- Practice with Enterprise Manager performance features
- Study Resource Manager configuration
- Master SQL Tuning Sets creation and usage
Week 11
Integration and Practice
Integrate all knowledge and focus on practical scenarios
- Complete end-to-end tuning scenarios
- Practice with AWR report analysis
- Review all exam domains
- Take practice exams
- Identify and strengthen weak areas
Week 12
Final Review and Exam Preparation
Final review and exam readiness
- Take multiple full-length practice exams
- Review incorrect answers thoroughly
- Create quick reference sheets for exam day
- Practice time management (78 questions in 120 minutes)
- Review key V$ views and initialization parameters
Study tips
AWR Report Mastery
- Practice reading AWR reports until you can identify bottlenecks in under 5 minutes
- Focus on Top 5 Timed Events section - this is where most performance issues appear
- Memorize common wait events: db file sequential read, db file scattered read, log file sync, CPU time
- Understand the difference between background and foreground waits
- Learn to correlate wait events with SQL statements in the AWR SQL sections
Execution Plan Reading
- Practice with DBMS_XPLAN.DISPLAY_CURSOR for real execution plans
- Always read execution plans from inside-out and top-to-bottom
- Focus on cardinality estimates vs actual rows - large differences indicate statistics issues
- Memorize common operations: TABLE ACCESS FULL, INDEX RANGE SCAN, HASH JOIN, NESTED LOOPS
- Understand the cost model and when the optimizer chooses different access paths
- Practice identifying missing indexes from execution plans
V$ Views and Data Dictionary
- Create flashcards for important V$ views: V$SESSION, V$SQL, V$SYSTEM_EVENT, V$SESSION_WAIT
- Know which views show current state vs historical data
- Understand the relationship between V$ views and AWR/ASH data
- Practice joining V$ views to diagnose performance issues
- Memorize key columns in performance-related views
Memory Management
- Understand the three memory management modes and when to use each
- Know the components of SGA: buffer cache, shared pool, large pool, Java pool, streams pool
- Memorize key initialization parameters: MEMORY_TARGET, MEMORY_MAX_TARGET, SGA_TARGET, PGA_AGGREGATE_TARGET
- Practice using memory advisors to determine optimal sizing
- Understand the impact of undersized PGA on sort and hash operations
SQL Tuning Advisor
- Practice running SQL Tuning Advisor through both EM and DBMS_SQLTUNE package
- Understand the types of recommendations: statistics, SQL profile, indexes, SQL restructuring
- Know when to accept SQL profiles vs implementing manual changes
- Learn the difference between comprehensive mode and limited mode
- Practice creating and using SQL Tuning Sets
Hands-On Practice
- Set up Oracle 19c on Oracle Cloud Free Tier or VirtualBox
- Create performance problems intentionally and practice diagnosing them
- Generate AWR reports for different workload scenarios
- Practice with poorly performing queries and tune them systematically
- Experiment with different initialization parameters and observe their impact
- Use sample schemas (HR, OE, SH) for realistic practice scenarios
Exam-Specific Preparation
- The exam heavily focuses on interpreting reports and recommending actions
- Scenario-based questions are common - practice decision-making, not just memorization
- Time management is critical: 78 questions in 120 minutes = 92 seconds per question
- Flag difficult questions and return to them - don't get stuck
- Understand not just WHAT to do, but WHEN and WHY for each tuning technique
- Oracle recommends specific tools for specific problems - know these mappings
Key Parameter Memorization
- Create a cheat sheet of critical parameters and their default values
- Focus on parameters affecting optimizer behavior: OPTIMIZER_MODE, OPTIMIZER_INDEX_COST_ADJ, OPTIMIZER_INDEX_CACHING
- Know memory parameters and their relationships
- Understand parameters related to parallel execution
- Memorize AWR snapshot interval and retention parameters
Exam day checklist
- Arrive at testing center 15 minutes early or ensure stable internet connection for online proctoring
- Read each question carefully - Oracle exams often include subtle wording that changes the answer
- Watch for 'BEST' answer questions - multiple answers may be correct, but one is optimal
- For AWR report questions, focus on wait events and top SQL sections first
- Eliminate obviously wrong answers first, then choose between remaining options
- Don't spend more than 2 minutes on any single question initially - flag and move on
- Trust your preparation - your first instinct is usually correct for scenario questions
- For execution plan questions, look for full table scans on large tables and missing indexes
- If a question asks about a specific tool or advisor, recall its primary purpose and limitations
- Remember that 66% passing score means you can miss 27 questions - don't panic over difficult ones
- Review flagged questions if time permits, but avoid changing answers unless you're certain
- For memory management questions, consider both automatic and manual approaches
- SQL tuning questions often have multiple valid approaches - choose the one Oracle recommends first
Career
Career Opportunities
Roles and salary potential for Oracle Database 19c: Performance Management and Tuning certified professionals
Related Job Titles
$115,000
Average Annual Salary
From the Blog
Related Articles
Guides and insights for Oracle Database 19c: Performance Management and Tuning professionals
Prerequisites
Strong understanding of Oracle Database 19c architecture and administration Experience with SQL and PL/SQL programming Recommended: Oracle Database Administration I (1Z0-082) or equivalent experience Practical experience managing Oracle databases in production environments
Oracle Database 19c: Performance Management and Tuning FAQs
Common questions about the 1Z0-084 certification exam
The 1Z0-084 certification validates your ability to monitor, diagnose, and optimize Oracle Database 19c performance. It demonstrates expertise in using Oracle's diagnostic tools, tuning SQL queries, managing memory and I/O resources, and implementing best practices for maintaining optimal database performance in production environments.
The exam is considered intermediate to advanced level, requiring practical hands-on experience with Oracle Database 19c performance tuning. It contains 78 questions covering complex scenarios involving diagnostic analysis, SQL optimization, and performance troubleshooting. Candidates typically need 6-12 months of real-world database tuning experience along with structured study to pass successfully.
Professionals with the Oracle Database 19c: Performance Management and Tuning certification typically earn between $95,000 and $140,000 annually, with an average of $115,000. Senior-level positions and roles in major metropolitan areas or specialized industries can command salaries exceeding $150,000, especially when combined with other Oracle certifications and extensive experience.
While Oracle doesn't mandate formal prerequisites, it's strongly recommended to have completed Oracle Database Administration I and II training or possess equivalent experience. Candidates should have solid understanding of Oracle Database 19c architecture, SQL, PL/SQL, and hands-on experience with database administration tasks before attempting this performance-focused certification.
Effective preparation includes completing Oracle University's official training course, gaining hands-on practice with AWR, ADDM, and SQL tuning tools, studying Oracle documentation on performance tuning, working through real-world tuning scenarios, and taking practice exams. Most candidates require 10-14 weeks of dedicated study combined with practical lab exercises to adequately prepare.
About the Oracle Database 19c: Performance Management and Tuning Certification
The Oracle Database 19c: Performance Management and Tuning (1Z0-084) 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 66%. The exam fee is $245, and the certification is valid for Lifetime.
Why Get Oracle Database 19c: Performance Management and Tuning 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 19c: Performance Management and Tuning exam rigorously tests your knowledge across 5 domains, ensuring you have the practical skills employers demand.
Oracle Database 19c: Performance Management and Tuning Exam Format & Details
The 1Z0-084 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 66% is required to pass. As a professional-level exam, it requires significant hands-on experience and deep technical knowledge. Prerequisites include: Strong understanding of Oracle Database 19c architecture and administration Experience with SQL and PL/SQL programming Recommended: Oracle Database Administration I (1Z0-082) or equivalent experience Practical experience managing Oracle databases in production environments.
Exam Domains & Topics
The Oracle Database 19c: Performance Management and Tuning exam covers 5 key domains. Understanding the weight of each domain helps you allocate your study time effectively:
- Introduction to Performance Tuning (15% of exam)
- Database Performance Monitoring (25% of exam)
- SQL Tuning and Optimization (30% of exam)
- Memory and I/O Management (20% of exam)
- Performance Tuning Features and Tools (10% of exam)
Who Should Take the Oracle Database 19c: Performance Management and Tuning Exam?
This certification is designed for professionals in the following roles:
- Database administrators with Oracle 19c experience seeking performance optimization skills
- Senior DBAs responsible for database performance monitoring and tuning
- IT professionals looking to specialize in Oracle database performance management
- Database consultants who need to troubleshoot and optimize Oracle databases
Career Opportunities & Salary
Earning the Oracle Database 19c: Performance Management and Tuning certification opens doors to roles such as Oracle Database Performance Analyst, Senior Database Administrator, Database Tuning Specialist, Oracle Performance Engineer. 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 19c: Performance Management and Tuning certification is valid for Lifetime. 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 1Z0-084 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 1Z0-084
We recommend 10-14 weeks of dedicated study time to prepare for the Oracle Database 19c: Performance Management and Tuning 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.
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