Question and Answer: 60

The C2090-623 exam, also known as the "IBM Certified Developer - IBM Db2 11.1 for z/OS Database Administration," focuses on validating your skills and knowledge in managing and administering IBM Db2 databases on the z/OS platform.
Key Areas Covered:

    Db2 Architecture: Understanding the Db2 environment, its components, and architecture.
    Database Design: Techniques for designing databases, normalization, and data modeling.
    SQL: Proficiency in writing and optimizing SQL queries, including DDL and DML operations.
    Performance Monitoring: Tools and techniques for monitoring and tuning database performance.
    Backup and Recovery: Strategies for data backup, recovery, and disaster recovery planning.
    Security: Implementing security measures for database protection.