Oracle 1Z0-909 exam, also known as the MySQL 8.0 Database Developer exam, is a certification exam that tests a candidate's knowledge and skills in designing, developing, and managing MySQL databases. 1Z0-909 exam is intended for database developers who want to validate their expertise in MySQL technologies and acquire a professional certification that demonstrates their proficiency to potential employers or clients.
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A brief introduction to the course
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A true simulation environment
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Passing the Oracle 1Z0-909 exam can open up many career opportunities for you as a MySQL database developer. It is a globally recognized certification that demonstrates your expertise in MySQL 8.0 database development. You can work in various industries, such as finance, healthcare, technology, and e-commerce, as a database developer, database administrator, or database analyst.
Reference: https://education.oracle.com/mysql-80-database-developer/pexam_1Z0-909
Concise contents
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Oracle 1Z0-909 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Transactions and Concurrency | 15% | - Resolve consistency and concurrency issues
- Understand isolation levels and locking mechanisms
- Control transactions in SQL and applications
|
| Topic 2: MySQL Schema Objects and Data Types | 20% | - Design, create and alter tables and views
- Work with numeric, string, temporal and spatial data types
- Define constraints and indexes
|
| Topic 3: Query Optimization | 15% | - Design and use indexes effectively
- Rewrite queries for better performance
- Analyze queries using EXPLAIN
|
| Topic 4: Data-driven Applications | 15% | - Set and use SQL Modes
- Use prepared statements
- Handle errors, warnings and result sets
- Aggregate and summarize data
|
| Topic 5: MySQL Stored Programs | 15% | - Create stored procedures and functions
- Use programming constructs in routines
- Implement triggers and events
|
| Topic 6: Connectors and APIs | 15% | - Choose appropriate connectors for applications
- Configure and manage connectors
- Retrieve data using connectors
- Handle special values and secure connections
|
| Topic 7: JSON and Document Store | 15% | - Create and store JSON documents
- Query and process JSON data
- Use XDevAPI and MySQL Shell for document store
|