PDF Version DemoThree versions, one decision: the Oracle MySQL 8.0 Database Developer package from ActualPDF comes as a budget-friendly printable PDF, a Windows software engine that flags your mistakes for re-practice, and an online version for any operating system. All carry the same 1Z0-909 questions.
Oracle 1Z0-909 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 8.0 Database Developer |
| Exam Number: | 1Z0-909 |
| Related Certifications: | Oracle Certified Professional MySQL 8.0 MySQL 8.0 Database Administrator |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 62% |
| Exam Format: | Multiple Choice |
| Exam Price: | USD 245 (varies by region) |
| Recommended Training: | Become a MySQL 8.0 Database Developer Professional Learning Path (Oracle) |
| Exam Registration: | Oracle Certification Exam Page |
| Sample Questions: |  |
| Exam Way: | Online proctored exam (Oracle testing center / remote proctoring) |
| Pre Condition: | Recommended experience with MySQL 8.0 database development and SQL application programming; no strict mandatory prerequisite exam officially enforced. |
| Official Syllabus URL: | https://education.oracle.com/mysql-80-database-developer/pexam_1Z0-909 |
Oracle 1Z0-909 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: JSON and Document Store | - JSON processing and NoSQL features
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| Topic 2: Transactions | - Transaction management
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| Topic 3: MySQL Stored Programs | - Stored program development
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| Topic 4: Query Optimization | - Performance tuning
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| Topic 5: MySQL Schema Objects and Data | - Database object design
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| Topic 6: Data-driven Applications | - Application-level SQL usage
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| Topic 7: Connectors and APIs | - Connector selection and usage
|
Oracle 1Z0-909 Exam: FAQ for Serious Candidates
Oracle MySQL 8.0 Database Developer is an official Oracle exam, listed under exam code 1Z0-909. A passing result earns you the Oracle Certified Professional (OCP) MySQL 8.0 Database Developer certification at the Professional level. It also ties into MySQL 8.0 Database Administrator, Oracle Certified Professional MySQL 8.0, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 65 questions inside 90 minutes on the Oracle MySQL 8.0 Database Developer exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
Passing Oracle MySQL 8.0 Database Developer requires 62%, and the official registration fee is USD 245 (varies by region). Retakes charge the full USD 245 (varies by region) again, which is why experienced candidates treat preparation as the cheaper exam fee. Verify your readiness with repeated ActualPDF practice scores above the requirement before you commit to a date.
Recommended experience with MySQL 8.0 database development and SQL application programming; no strict mandatory prerequisite exam officially enforced.
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Registration for Oracle MySQL 8.0 Database Developer goes through the official channels listed here.
When you schedule, note that the exam is delivered Online proctored exam (Oracle testing center / remote proctoring).
Oracle recommends the following training for Oracle MySQL 8.0 Database Developer candidates.
Follow any course with the 66 practice questions in the ActualPDF 1Z0-909 package; the software engine will even remind you which mistakes need another round.
Yes. ActualPDF provides a free download demo of the Oracle MySQL 8.0 Database Developer material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Oracle MySQL 8.0 Database Developer exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, which works 7/24 and normally replies within two hours. Installation is unlimited across your computers.
The Oracle MySQL 8.0 Database Developer syllabus spans 7 domains, led by Data-driven Applications, MySQL Schema Objects and Data, and Transactions. The complete topic list is published above; candidates who study the map first rarely get lost later.
Oracle MySQL 8.0 Database Developer Sample Questions:
Examine this statement:
DECLARE not_found CONDITION FOR SQLSTATE '02000';
In which two statements can not found be used?
- A. in a signal statement
- B. in a handler declaration
- C. in a while loop
- D. in an if statement
- E. in a leave statement to exit a loop
Correct Answer: A,C 🗳️
Examine the output:
Which explain command will obtain the output?
- A. EXPLAIN PORMAT^TRADITIONAL
- B. EXPLAIN PORMAT=JSON
- C. EXPLAIN ANALYZE
- D. EXPLAIN FORMAT=TREE
- E. EXPLAIN PARTITIONS
Correct Answer: B 🗳️
Which statement is true about the show errors command?
- A. It displays errors messages only, since the server last restarted.
- B. It displays the total number of errors, warnings, and notes since the beginning of the current session.
- C. It displays the total number of errors, warnings, and notes since the server last restarted.
- D. It displays similar diagnostics results as get diagnostics.
- E. It displays errors messages only, since the start time of the current session.
- F. It cannot display information for more than max_errot_count server system variable setting.
Correct Answer: B 🗳️
Examine these commands which execute successfully in the sequence shown in Sessions S1 and S2:
Now, examine this statement that execute successfully in s1:
S1> SELECT * FROM emp;
Which is true about the result of the select statement?
- A. The inserted row is returned because the isolation level is RPEATABLE READ in S1.
- B. The inserted row is returned because the transaction is auto committed in S2.
- C. The inserted row is not returned because the transaction still active in s2.
- D. The inserted row is not returned because the isolation level is READ COMMITTED in S2.
Correct Answer: C 🗳️
Examine these statements which execute successfully:
Which two changes will improve this query performance?
- A. CREATE INDEX 1X2 ON locations (loc_mapping) USING HASH; fH
- B. CREATE INDEX 1X6 ON users (user_name);
- C. CREATE INDEX 1X7 ON users (user_name) USING HASH;
- D. CREATE INDEX 1X5 ON users (loc_id);
- E. CREATE INDEX IX1 ON locations (loc_shareci) ;
- F. CREATE INDEX 1X4 ON Locations (site_id, loc_shared);
- G. CREATE INDEX 1X3 ON locations <loc_site_id) ;
Correct Answer: B,C 🗳️
