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Oracle 1z1-909 certification exam covers a wide range of topics, including database design, data manipulation, security, performance tuning, and troubleshooting. Candidates are expected to have a strong understanding of SQL and the MySQL server, as well as experience with database application development. 1z1-909 exam consists of 70 multiple-choice questions and must be completed in 105 minutes.
Reference: https://education.oracle.com/mysql-80-database-developer/pexam_1Z0-909
Oracle 1Z0-909 (MySQL 8.0 Database Developer) Certification Exam is an important credential for database developers who want to demonstrate their expertise in designing, developing, and implementing MySQL 8.0 databases. By passing 1z1-909 exam and earning certification, candidates can position themselves for new opportunities and advance their careers in the rapidly growing field of database development.
Oracle 1z1-909 (MySQL 8.0 Database Developer) Certification Exam is a reputable certification program that is designed to test the skills and knowledge of individuals who wish to become certified MySQL database developers. MySQL 8.0 Database Developer certification exam is intended for individuals who have a solid understanding of MySQL 8.0 and are capable of developing and managing MySQL databases. 1z1-909 exam is conducted by Oracle, a leading global technology company that offers a wide range of software and hardware products.
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Oracle 1z1-909 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data-driven Applications | 15% | - Set and use SQL Modes - Aggregate and summarize data - Handle errors, warnings and result sets - Use prepared statements |
| Transactions and Concurrency | 15% | - Control transactions in SQL and applications - Understand isolation levels and locking mechanisms - Resolve consistency and concurrency issues |
| MySQL Schema Objects and Data Types | 20% | - Work with numeric, string, temporal and spatial data types - Define constraints and indexes - Design, create and alter tables and views |
| MySQL Stored Programs | 15% | - Create stored procedures and functions - Implement triggers and events - Use programming constructs in routines |
| Connectors and APIs | 15% | - Retrieve data using connectors - Configure and manage connectors - Choose appropriate connectors for applications - Handle special values and secure connections |
| Query Optimization | 15% | - Analyze queries using EXPLAIN - Rewrite queries for better performance - Design and use indexes effectively |
| JSON and Document Store | 15% | - Query and process JSON data - Use XDevAPI and MySQL Shell for document store - Create and store JSON documents |







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