Exam Name: MySQL 8.0 Database Developer
Certification Provider: Oracle
Corresponding Certification: MySQL Developer
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Difficult points stop being difficult when they are presented clearly. The Oracle MySQL 8.0 Database Developer materials at Prep4away organize the 1Z0-909 exam content so that hard topics become understandable in sequence — structure first, then practice, then confidence.
Oracle 1Z0-909 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 8.0 Database Developer |
| Exam Number: | 1Z0-909 |
| Exam Price: | USD 245 (varies by region) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65 |
| Related Certifications: | MySQL 8.0 Database Administrator Oracle Certified Professional MySQL 8.0 |
| Available Languages: | English |
| Passing Score: | 62% |
| Exam Format: | Multiple Choice |
| Recommended Training: | Become a MySQL 8.0 Database Developer Professional Learning Path (Oracle) |
| Exam Registration: | Oracle Certification Exam Page |
| Sample Questions: | DOWNLOAD DEMO |
| 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
|
| Topic 2: MySQL Stored Programs | - Stored program development
|
| Topic 3: Transactions | - Transaction management
|
| Topic 4: Query Optimization | - Performance tuning
|
| Topic 5: MySQL Schema Objects and Data | - Database object design
|
| Topic 6: Connectors and APIs | - Connector selection and usage
|
| Topic 7: Data-driven Applications | - Application-level SQL usage
|
The Oracle MySQL 8.0 Database Developer Exam: Clear Answers
The 1Z0-909 exam contains 65 questions with 90 minutes minutes to complete them. A clear knowledge structure is what makes that volume manageable — you answer faster when every topic has its place.
Passing the 1Z0-909 exam requires 62%, and registration costs USD 245 (varies by region). Structured preparation is how you spend study time once and exam fees once.
Immediately. The system emails you at once with the download link for the Oracle MySQL 8.0 Database Developer materials — the whole delivery process takes about a minute. Open the email, download the 1Z0-909 exam product to your computer, install it, and you are studying within minutes of deciding to. If the message does not appear, check your spam folder; after 2 hours without delivery, contact support. Install on all of your own devices without limit.
Recommended experience with MySQL 8.0 database development and SQL application programming; no strict mandatory prerequisite exam officially enforced.
The 1Z0-909 exam is the official assessment behind the Oracle MySQL 8.0 Database Developer certification from Oracle. Lifelong learning has become the norm precisely because industries keep moving — and this credential is a concrete way to keep pace. Many candidates only sit it seriously on a second attempt; structured preparation is how you make the first one count.
Oracle recommends these training resources for candidates:
Official training adds depth; a clearly structured practice bank with verified answers adds direction. Together they cover both sides of preparation.
The official outline divides the 1Z0-909 exam into weighted domains, including:
- Query Optimization ()
- Data-driven Applications ()
- JSON and Document Store ()
The Oracle MySQL 8.0 Database Developer bank at Prep4away mirrors this structure, so the knowledge map you build while practicing matches the one the exam uses.
Registration for the 1Z0-909 exam runs through these official channels:
It is never too late to start — but starting today beats starting after one more week of hesitation.
Structure is the design principle. The Oracle MySQL 8.0 Database Developer materials first build a clear knowledge structure of the 1Z0-909 exam, so difficult points become understandable in sequence rather than intimidating in isolation. Our experts have prioritized the most important knowledge for busy learners, and every answer is expert-verified — so your limited hours go exactly where the objectives point.
Oracle MySQL 8.0 Database Developer Sample Questions:
The variables c and d are declared as integer types.
Examine these initialization statements with placeholder value <p1>, which execute successfully:
Now, examine this loop which executes successfully:
Which loop results in the same value of d for all valid values of <p1>?
A)
B)
C)
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Correct Answer: B 🗳️
Examine this statement which executes successfully:
The table is populated with a range of values including jobs for Robert, John, and Katie. Now, examine this statement and output:
Why is an empty result set returned?
- A. The JSON datatype cannot be used in virtual columns.
- B. Table statistics must be updated to generate values for the name column.
- C. The virtual values in the name column must be accessed using functions.
- D. The json_extract() function requires a length value that matches the field length in the schema.
- E. The select requires json_unquoteo in the where clause.
Correct Answer: A 🗳️
Examine this statement and output:
Now, examine these desired output values:
Which statement updates the table data as require
- A. UPDATE examresult SET score=ROUND(CEIL(score
- B. UPDATE exam_result SET score=TRUNCATE(score,1);
- C. UPDATE exam_result SET score=ROUND(score,1);
- D. UPDATE exam_result SET score=TRUNCATE
- E. UPDATE exam_result SET score=CEIL(ROUND(score,1));
- F. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
Correct Answer: C 🗳️
Examine the statement which executes successfully:
SET sql_mode=' NO_ENGINE_SUBSTITTJTION' ;
You try to create a table with a storage engine that is not available. What will happen?
- A. An error occurs and the create table statement fails.
- B. The server will create the table using the default storage engine.
- C. The server will create the table but report an error when the first attempt to insert a row is performed.
- D. The server will create the table but it will be unusable until the specified storage engine is available.
Correct Answer: A 🗳️
Examine these commands and output:
Which is true about the execution of the insert statement?
- A. It inserts a new row in the view only.
- B. It returns an error.
- C. It inserts a new row in the base table only.
- D. It inserts a row in the view and base table.
Correct Answer: A 🗳️
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