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Instant Download Oracle : 1z1-084 Questions & Answers as PDF & Test Engine
- Exam Code: 1z1-084
- Exam Name: Oracle Database 19c Performance and Tuning Management
- Updated: Nov 08, 2026
- No. of Questions: 57 Questions and Answers
- Download Limit: Unlimited
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Oracle 1z1-084 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 19c: Performance Management and Tuning |
| Exam Number: | 1Z0-084 |
| Real Exam Qty: | 50–60 |
| Exam Format: | Multiple Response, Multiple Choice, Scenario-based Questions |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | No expiration (Oracle certification policy since 2021) |
| Related Certifications: | Oracle Database 19c Performance Management Oracle Database Administrator Certified Professional Oracle Database 19c Administration |
| Exam Price: | USD 245 (may vary by region) |
| Passing Score: | Approximately 60–68% (Oracle passing scores vary by exam form) |
| Available Languages: | English |
| Recommended Training: | Oracle Database 19c: Performance Management and Tuning (Oracle University) |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam or Pearson VUE test center |
| Pre Condition: | Recommended: Oracle Database 19c Administration or equivalent DBA experience |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1z1-084 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Methodology | - Performance tuning approach and lifecycle - Identifying performance bottlenecks |
| Topic 2: Performance Monitoring and Diagnostics | - AWR reports and ADDM analysis - Wait events and performance views |
| Topic 3: Oracle Database Architecture for Performance | - Process architecture and background processes - Memory structures (SGA, PGA) |
| Topic 4: Database Statistics and Indexing | - Index design and usage - Optimizer statistics management |
| Topic 5: SQL Tuning and Optimization | - SQL tuning tools and advisors - Execution plans and optimizer behavior |
| Topic 6: Instance and Memory Tuning | - Automatic Memory Management - SGA/PGA tuning strategies |
| Topic 7: Concurrency and Scalability | - Parallel execution tuning - Locking and contention issues |
| Topic 8: I/O and Storage Performance | - ASM performance considerations - Disk I/O optimization |
1z1-084 Exam Questions Answered
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The Oracle Database 19c Performance and Tuning Management blueprint spans 8 domains — including Instance and Memory Tuning, Database Statistics and Indexing, Concurrency and Scalability. Let the weightings direct your spare-time review; the full outline above lists every subtopic.
Yes — download the free Oracle Database 19c Performance and Tuning Management demo and evaluate the material before paying. Purchases include 365 days of free updates, each new version emailed immediately upon release; renew afterward at 50% off.
Recommended: Oracle Database 19c Administration or equivalent DBA experience Eligibility rules change periodically, so confirm the current requirements on the official page (official 1z1-084 exam page) before registering.
Yes:
Courses give you the theory; the 57 practice questions for the Oracle Database 19c Performance and Tuning Management give you the rehearsal — every answer expert-verified.
The Oracle Database 19c Performance and Tuning Management is Oracle's certification exam for Oracle Database 19c Performance and Tuning Management, at the Professional level. It validates job-ready skills, and passing it marks you as a verified professional. Related credentials include Oracle Database Administrator Certified Professional, Oracle Database 19c Administration, Oracle Database 19c Performance Management.
USD 245 (may vary by region) per attempt, Approximately 60–68% (Oracle passing scores vary by exam form) to pass. A retake costs the full fee again — effective preparation with the 57 practice questions for the 1z1-084 exam is the economical path.
Oracle Database 19c Performance and Tuning Management Sample Questions:
You must write a statement that returns the ten most recent sales. Examine this statement:
Users complain that the query executes too slowly. Examine the statement's current execution plan:
What must you do to reduce the execution time and why?
- A. Create an index on SALES.TIME_ID to force the return of rows in the order specified by the ORDER BY clause.
- B. Create an index on SALES.CUST_ID to force an INDEX RANGE SCAN on this index followed by a NESTED LOOP join between CUSTOMERS and SALES.
- C. Collect a new set of statistics on PRODUCT, CUSTOMERS, and SALES because the current stats are inaccurate.
- D. Replace the FETCH FIRST clause with ROWNUM to enable the use of an index on SALES.
- E. Enable Adaptive Plans so that Oracle can change the Join method as well as the Join order for this query.
Correct Answer: A 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Examine this AWR report excerpt:
You must reduce the impact of database I/O, without increasing buffer cache size and without modifying the SQL statements.
Which compression option satisfies this requirement?
- A. MN STORE COMPRESS FOR QUERY LOW
- B. ROW STORE COMPRESS ADVANCED
- C. STORE COMPRESS
- D. COLUMN STORE COMPRESS FOR QUERY HIGH
Correct Answer: D 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Buffer cache access is too frequent when querying the SALES table. Examine this command which executes successfully:
ALTER TABLE SALES SHRINK SPACE;
For which access method does query performance on sales improve?
- A. index full scan
- B. index range scan
- C. db file sequential read
- D. db file scattered read
Correct Answer: C 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Examine this output of a query of VSPGA_TAPGET_ADVICE:
Which statements is true'
- A. With a target of 700 MB or more, all multipass executions work areas would be eliminated.
- B. PGAA_AGGREGATE should be set to at least 800 MB.
- C. GGREGATE_TARGET should be set to at least 700 MB.
- D. With a target of 800 MB or more, all one-pass execution work areas would be eliminated.
Correct Answer: D 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Which two statements are true about session wait information contained in v$session or v$session_wait?
- A. Rows for sessions displaying WAITED UNKNOWN TIME in the STATE column indicate that the session is still waiting.
- B. Rows for sessions that are currently waiting have a wait time of 0.
- C. Rows for sessions that are not waiting always contain the total wait time since the session started.
- D. Rows for sessions that are not waiting might contain the actual wait time for the last event for which they waited.
- E. Rows for sessions that are currently waiting have their wait time incremented every microsecond.
Correct Answer: B,D 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
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