Do not judge a question bank by its size. What matters for the 1Z0-909 exam is validity and accuracy, and TestInsides's Oracle MySQL 8.0 Database Developer bank is built on exactly that — expert-verified answers over inflated question counts.
Oracle 1Z0-909 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 8.0 Database Developer |
| Exam Number: | 1Z0-909 |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 245 (varies by region) |
| Exam Format: | Multiple Choice |
| Related Certifications: | MySQL 8.0 Database Administrator Oracle Certified Professional MySQL 8.0 |
| Passing Score: | 62% |
| 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: Connectors and APIs | - Connector selection and usage
|
| Topic 2: Transactions | - Transaction management
|
| Topic 3: MySQL Schema Objects and Data | - Database object design
|
| Topic 4: Query Optimization | - Performance tuning
|
| Topic 5: Data-driven Applications | - Application-level SQL usage
|
| Topic 6: JSON and Document Store | - JSON processing and NoSQL features
|
| Topic 7: MySQL Stored Programs | - Stored program development
|
1Z0-909 Exam Facts: What to Know Before You Commit
Oracle recommends the following official training resources:
Choose the format that fits your schedule, then reinforce it with regular question practice.
The latest exam information lists 65 questions for the 1Z0-909 exam, to be completed within 90 minutes minutes. Knowing the format cold is half the battle — timed practice handles the other half.
These are the core domains of the Oracle MySQL 8.0 Database Developer blueprint:
- Transactions
- MySQL Stored Programs
- Connectors and APIs
The remaining domains appear in the full official outline, all of which our bank addresses.
Oracle sets the following prerequisites for the Oracle MySQL 8.0 Database Developer: Recommended experience with MySQL 8.0 database development and SQL application programming; no strict mandatory prerequisite exam officially enforced..
Check the current requirements on the official certification page before scheduling.
Validity is maintained, not assumed. Our dedicated IT team checks the system and pushes new versions to the site continuously, so the 1Z0-909 bank on sale is always the latest — with expert-verified answers across the Oracle MySQL 8.0 Database Developer objectives. You can also pick the format that fits your devices: an easy-to-read PDF, a Windows PC test engine, or a browser-based online engine for Windows, Mac, Android, and iOS. Questions? Support replies to instant messages and emails within two hours.
Upon successful payment, the complete materials are available immediately: a download link on screen and an automatic email to your mailbox within about a minute. If nothing arrives within two hours, check spam and contact support. Every purchase carries a 365-day service warranty — you can download the latest valid version free whenever it is released, no matter when you bought — and a 50% renewal discount follows when the period ends.
Use the official registration channels below:
Pick a center or online appointment that suits your timeline, and book early for the best selection of dates.
Yes, we keep our promises — in writing. If you fail the corresponding exam within 60 days of purchase, email us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; we process verified refunds in full within seven days. The exclusions are plain: exams taken within three days of purchase, candidate names that do not match the payer, and free or expired products. If you prefer, we will exchange your product for two others of equal value at no charge.
As of the latest information, the 1Z0-909 exam's passing score is 62% and the registration fee is USD 245 (varies by region). Oracle can adjust either figure, so verify both on the official site before you book.
Oracle MySQL 8.0 Database Developer Sample Questions:
Examine this statement that execute successfully in an interactive session:
The user running this session now goes to lunch for an hour.
Now, examine these statements executed independently in separate sessions while Session 0 is still active:
How many of them will complete while Session 0 is still active?
- A. 4
- B. 3
- C. 0
- D. 5
- E. 1
- F. 2
Correct Answer: E 🗳️
Examine the content of the employee table:
Now examine this PHP script:
Finally examine this desired output:
- A. $options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;
- B. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;
- C. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;
- D. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;
Correct Answer: D 🗳️
Examine these commands which execute successfully:
mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2));
mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income
FOR EACH ROW SET @subtotal = subtotal + NEW.amount;
Which is true for the income table?
- A. The trigger activates after any row in the table has been updated.
- B. The trigger activates after any row has been inserted into the table.
- C. Execution of an insert statement causes the trigger to activate.
- D. The trigger body set causes trigger activation.
Correct Answer: C 🗳️
Examine these statements issued from Session 1 which execute successfully:
Now, examine this statement issued from Session 2:
What is the outcome of the update statement in Session 2?
- A. The statement will wait for the transaction in Session 1 to finish.
- B. The transaction in Session 1 will be rolled back automatically.
- C. The row will be updated immediately.
- D. A deadlock will occur.
Correct Answer: B 🗳️
Examine the Test.php script which is numbered for clarity, and its output:
PHP Fatal error: Uncaught Error: call to underined function mysqli_connect () in Test.php:2 Which action will fix this error?
- A. Enable the mysqli extension in the php.ini file.
- B. Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;
- C. Replace line 2 With: Slink = mysql_xdevapi\getSession
("mysqlx://username:password@localhost:3306","schema"); - D. Install the PHP executable in the path used by the MySQL installation.
Correct Answer: A 🗳️
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