Prepare with Oracle : 1Z0-909 exam braindumps as your best preparation materials
Last Updated: Nov 06, 2026
No. of Questions: 66 Questions & Answers with Testing Engine
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Oracle 1Z0-909 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| JSON and Document Store | 15% | - Create and store JSON documents - Query and process JSON data - Use XDevAPI and MySQL Shell for document store |
| Connectors and APIs | 15% | - Choose appropriate connectors for applications - Configure and manage connectors - Retrieve data using connectors - Handle special values and secure connections |
| Transactions and Concurrency | 15% | - Understand isolation levels and locking mechanisms - Resolve consistency and concurrency issues - Control transactions in SQL and applications |
| Query Optimization | 15% | - Analyze queries using EXPLAIN - Rewrite queries for better performance - Design and use indexes effectively |
| MySQL Stored Programs | 15% | - Implement triggers and events - Create stored procedures and functions - Use programming constructs in routines |
| Data-driven Applications | 15% | - Aggregate and summarize data - Handle errors, warnings and result sets - Set and use SQL Modes - Use prepared statements |
| 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 |
Common Questions About the Oracle MySQL 8.0 Database Developer Exam
The Oracle MySQL 8.0 Database Developer exam includes 65 and runs for 90 minutes. Practice pacing with the timed modes in the BraindumpQuiz engines so exam-day time pressure feels familiar rather than frightening.
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No mandatory prerequisites; recommended 6-12 months hands-on experience with MySQL 8.0 Since requirements can change, verify the current rules on the official Oracle exam page before scheduling.
The official Oracle MySQL 8.0 Database Developer outline organizes the exam into 7 domains. The three largest are Transactions and Concurrency (15%), JSON and Document Store (15%), and MySQL Schema Objects and Data Types (20%). See the full list in the topics section above — the 66 practice questions at BraindumpQuiz address every domain there.
The 1Z0-909 exam is a Oracle certification exam that measures the skills defined in the Oracle MySQL 8.0 Database Developer syllabus shown above. Candidates range from students to seasoned professionals, and the material at BraindumpQuiz reflects that — 66 practice questions written in accessible language, with verified answers, in PDF, Desktop Test Engine, and Online Test Engine formats.
Yes — Oracle lists these recommended resources for the Oracle MySQL 8.0 Database Developer exam:
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Oracle MySQL 8.0 Database Developer Sample Questions:
Examine this statement and output:
Now, examine these desired output values:
Which statement updates the table data as require
- A. UPDATE exam_result SET score=TRUNCATE(score,1);
- B. UPDATE examresult SET score=ROUND(CEIL(score
- C. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
- D. UPDATE exam_result SET score=TRUNCATE
- E. UPDATE exam_result SET score=ROUND(score,1);
- F. UPDATE exam_result SET score=CEIL(ROUND(score,1));
Correct Answer: E 🗳️
Examine these statement which execute successfully:
Now, examine this desired output:
Which two queries will produce the out?
- A.
- B.
- C.
- D.
- E.
Correct Answer: B,D 🗳️
The continent column in the country table contains no null values.
Examine this output:
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Correct Answer: D 🗳️
Examine these statements which execute successfully:
The statements executed without exception. Which two are true?
- A. No row is inserted into band.
- B. Two transactions commit.
- C. The transaction is rolled back to the savepoint.
- D. One row is inserted into band.
- E. No transaction commits.
Correct Answer: D,E 🗳️
Which two are true about MySQL Document Store?
- A. There is no access to relational tables.
- B. It helps to store data items in a schema-less key-value store.
- C. It can store documents greater than 4 GB.
- D. It allows one to bypass the SQL layer of the server.
- E. It depends heavily on strictly typed data.
Correct Answer: B,D 🗳️
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