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Oracle 1z1-909 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 8.0 Database Developer |
| Exam Number: | 1Z0-909 |
| Exam Format: | Multiple Choice Questions (MCQ) |
| Exam Price: | USD 245 (may vary by country) |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 62% |
| Real Exam Qty: | 65 |
| Related Certifications: | Oracle Certified Professional, MySQL 8.0 Database Developer |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Onsite or through test provider (Pearson VUE / Oracle testing platform) |
| Official Syllabus URL: | https://education.oracle.com/mysql-80-database-developer/pexam_1Z0-909 |
Oracle 1z1-909 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Query Optimization | - Use indexes for optimization - Analyze queries for optimization - Rewrite queries for optimization |
| MySQL Stored Programs | - Explain the programming constructs used in stored routines - Schedule database operations - Create and execute stored routines - Create and execute triggers |
| Connectors and APIs | - Retrieve data from the database by using a connector - Demonstrate connector use, management and configuration - Secure credentials and connections - Choose between connectors for a given application - Handle special values |
| JSON and Document Store | - Create and store JSON documents - Use MySQL Shell to access document stores - Create and access a document store - Process data in JSON documents - Explain application development with NoSQL and XDevAPI |
| MySQL Schema Objects and Data | - Store and process spatial data - Design, create, and alter views - Store and process temporal data - Store and process string data - Store and process numeric data |
| Data-driven Applications | - Use prepared statements - Handle and interpret errors and warnings - Set SQL Modes to change MySQL behavior - Aggregate and summarize data - Advanced Report Generation - Display query results |
| Transactions | - Control transactions in applications - Control transactions in SQL - Understand locking mechanisms within MySQL - Resolve consistency problems with isolation levels |
1z1-909 Exam FAQ — Measure Your Ability
Upon successful payment, our system emails the Oracle MySQL 8.0 Database Developer material automatically within about a minute, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding 1z1-909 exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
The Oracle MySQL 8.0 Database Developer is Oracle's certification exam for MySQL Developer, at the Professional level. Employers read it as a measure of individual ability in routine technical work. Related credentials include Oracle Certified Professional, MySQL 8.0 Database Developer.
USD 245 (may vary by country) per attempt, 62% to pass. Retakes cost the full fee — save time and money by preparing with the 66 practice questions for the 1z1-909 exam at PracticeVCE.
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Yes — we provide the free PDF demo of the Oracle MySQL 8.0 Database Developer dumps so you can look at the content and gain a further understanding before paying. Purchases include 365 days of free updates by email; renew afterward at 50% off.
The Oracle MySQL 8.0 Database Developer blueprint spans 7 domains — including JSON and Document Store, MySQL Schema Objects and Data, Data-driven Applications. Our material stays closely linked to these knowledge points; the complete outline above lists every subtopic.
Oracle MySQL 8.0 Database Developer Sample Questions:
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 row will be updated immediately.
- C. The transaction in Session 1 will be rolled back automatically.
- D. A deadlock will occur.
Correct Answer: C 🗳️
Examine this statement:
- A. Inserting COMMIT; SET @m :=: before line 4
- B. user who creates the procedure needing the create and execute privileges
- C. user who creates the procedure needing the create routine privilege
- D. Inserting DEFINER 'username '@' localhost' clause into the CREATE PROCEDURE statement
- E. inserting USE <database >; before line 3
Correct Answer: D 🗳️
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 scheduled and executed but fails. The system will log an error.
- B. The event will be dropped without an error or warning.
- C. The event is not scheduled and will no longer execute. The system will log an error.
- D. The event is scheduled but will no longer execute. The system will log an error.
Correct Answer: D 🗳️
Examine the structure of the emp table:
Examine the structure of the emp_vu1 view based on the emp table:
Now, examine this statement:
mysq1> INSERT INTO emp_vul VALUES ('Alice',20000) ;
What is true about executing the statement?
- A. It inserts a row in the view only.
- B. It returns an error because an insert operation is not allowed on views.
- C. It returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.
- D. It inserts a row in the emp table.
Correct Answer: D 🗳️
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?
- A. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
- B. SELECT last_name + ', ' + first_name FROM employees;
- C. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
- D. SELECT last_name, ' , ',first_name FROM employees;
- E. SELECT CONCAT(last name,', ',first_name) FROM employees;
Correct Answer: C,E 🗳️
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