Exam Name: MySQL 8.0 Database Developer
Certification Provider: Oracle
Corresponding Certification: MySQL Developer
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- Total Questions: 66
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Some candidates like to print, others prefer software, and many study on a phone. That is why Fast2test offers the 1Z0-909 practice questions as a printable PDF, a desktop test engine that simulates the real exam environment, and an online test engine that runs in any browser — pick whichever fits the way you prepare for the Oracle MySQL 8.0 Database Developer.
Oracle 1Z0-909 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 8.0 Database Developer |
| Exam Number: | 1Z0-909 |
| Real Exam Qty: | 65 |
| Available Languages: | Japanese, English |
| Exam Duration: | 90 minutes |
| Exam Price: | USD $245 (varies by region) |
| Certificate Validity Period: | Valid for life (no expiration) |
| Passing Score: | 62% |
| Exam Format: | Multiple Choice, Multiple Select |
| Recommended Training: | Become a MySQL 8.0 Database Developer Oracle MySQL Learning Subscription |
| Exam Registration: | Oracle University Exam Page Pearson VUE Registration |
| Sample Questions: | Oracle 1Z0-909 Sample Questions |
| Exam Way: | Online proctored or onsite testing at Pearson VUE centers |
| Pre Condition: | No mandatory prerequisites; recommended 6-12 months hands-on experience with MySQL 8.0 |
| Official Syllabus URL: | https://education.oracle.com/mysql-80-database-developer/pexam_1Z0-909 |
Oracle 1Z0-909 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MySQL Schema Objects and Data Types | 20% | - Define constraints and indexes - Design, create and alter tables and views - Work with numeric, string, temporal and spatial data types |
| Query Optimization | 15% | - Analyze queries using EXPLAIN - Design and use indexes effectively - Rewrite queries for better performance |
| Data-driven Applications | 15% | - Handle errors, warnings and result sets - Set and use SQL Modes - Aggregate and summarize data - Use prepared statements |
| Connectors and APIs | 15% | - Configure and manage connectors - Handle special values and secure connections - Retrieve data using connectors - Choose appropriate connectors for applications |
| JSON and Document Store | 15% | - Use XDevAPI and MySQL Shell for document store - Create and store JSON documents - Query and process JSON data |
| Transactions and Concurrency | 15% | - Understand isolation levels and locking mechanisms - Control transactions in SQL and applications - Resolve consistency and concurrency issues |
| MySQL Stored Programs | 15% | - Implement triggers and events - Create stored procedures and functions - Use programming constructs in routines |
Oracle 1Z0-909 Exam — Your Questions, Answered
The 1Z0-909 exam, officially titled MySQL 8.0 Database Developer, is the Oracle exam you pass to earn the Oracle Certified Professional, MySQL 8.0 Database Developer certification, a credential at the Professional level. Passing it confirms the skills defined in the official exam outline.
The 1Z0-909 exam includes 65 questions and gives you 90 minutes to finish them. That is a tight pace per question, so get used to reading each stem once, flagging anything uncertain, and moving on rather than getting stuck. Running timed practice tests in the Fast2test desktop or online test engine is the most reliable way to build that rhythm before exam day.
The passing score for the 1Z0-909 exam is 62%, and the official registration fee is USD $245 (varies by region). Keep in mind that a failed attempt means paying USD $245 (varies by region) again in full to retake it, so book your slot only when your scores on Fast2test practice tests sit consistently above the passing line.
Oracle lists the following prerequisites or eligibility notes for the 1Z0-909 exam: No mandatory prerequisites; recommended 6-12 months hands-on experience with MySQL 8.0. Requirements can change over time, so confirm the details on the official exam page at Oracle's official site before you register.
You can register for the 1Z0-909 exam through the official channels below:
The exam is delivered in the following format: Online proctored or onsite testing at Pearson VUE centers. Choose a date that leaves you enough time to work through the full 66-question practice set first.
Oracle recommends the following training resources for 1Z0-909 candidates:
Official courses build the theory, and the 66 practice questions from Fast2test help you turn that theory into exam-ready speed and accuracy.
Yes. Fast2test offers a free PDF demo of the 1Z0-909 material, so you can check the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
Your purchase is protected by a 100% Money Back Guarantee with clear conditions: if you take the corresponding 1Z0-909 exam within 60 days of purchase and do not pass, you can apply for a full refund. The candidate name must match the payer name, and you need to submit a scanned exam enrollment slip together with the official Score Report PDF within 2 days of taking the exam; claims are processed within 7 days. Sitting the exam within 3 days of purchase, downloading without taking the exam, free materials, and expired orders are not covered. If you would rather not take a refund, you can exchange your order for two free exam products of equal value and keep the update service on your original purchase.
Delivery is instant: your download links are emailed within one minute of payment, and you can also download directly from the website. If nothing arrives within 2 hours, contact customer service and check your spam folder. There is no limit on how many computers you can install the material on.
The 1Z0-909 exam blueprint is divided into 7 domains, starting with Query Optimization (15%); Transactions and Concurrency (15%); MySQL Stored Programs (15%). For the complete domain-by-domain breakdown, see the Exam Topics section above — it lists every topic the current outline covers.
Oracle MySQL 8.0 Database Developer Sample Questions:
Question 1
Which two differences exist between the timestamp and date time data types?
A. timestamp uses less storage space.
B. timestamp converts the value based on the session time zone.
C. timestamp has larger range of values.
D. timestamp stores more decimal points in seconds
E. timestamp stores the interval between two dates.
Question 2
Examine this event's metadata:
Now examine this command:
DROP USER 'userl'e'localhost';
Which effect will the command have on the event?
A. The event is not scheduled and will no longer execute. The system will log an error.
B. The event will be dropped without an error or warning.
C. The event is scheduled but will no longer execute. The system will log an error.
D. The event is scheduled and executed but fails. The system will log an error.
Question 3
Examine these commands and output:
Which is true?
A. Existing emp_vuL is dropped and a new emp_vu1 created with the new definition.
B. A new view is created because the previous was dropped on execution of the drop table statement.
C. It returns an error because the CREATE TABLE statement automatically recreated the view.
D. It returns an error because the DROP TABLE statement did not drop the view.
Question 4
Examine the layout of the my_values table.
Examine the data in the my_value3 table.
Examine this statement:
A)
B)
D)
A. Option B
B. Option A
C. Option D
D. Option C
Question 5
Examine the appointments table definition which contains one million rows:
Now, examine this statement which executes successfully:
Which statement will improve query performance?
A. ALTER TABLE appointments add index IX_3(attendant_id, created_by)
B. ALTER TABLE appointments add index IX_2(attendant_session_id, created_by)
C. ALTER TABLE appointments add index IX_4<attendant_id, payment, credit)
D. ALTER TABLE appointments add index IX_1(credit,payment)
Solutions:
| Question 1 Answer: A,B | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: C |
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