What are some typical challenges Oracle Database Engineers face when managing large-scale enterprise databases?

Oracle Database Engineers commonly encounter challenges such as ensuring database performance optimization, managing data security and compliance, and executing seamless upgrades or migrations without downtime. They are often responsible for troubleshooting complex issues that arise from high transaction volumes or integration with legacy systems. Collaboration with application developers, system administrators, and business analysts is essential to anticipate and resolve these issues while maintaining data integrity and availability.