<ul><li>Machine learning is essential in Oracle 19c's Automatic Indexing, enabling the automatic creation, management, and optimization of indexes based on workload patterns.</li><li>Observing Patterns: The system watches which SQL queries are run most frequently and suggests or creates new indexes for the columns most often used in those queries.</li><li>Adjusting Over Time: The system can remove or change indexes that are no longer used to keep things efficient.</li><li>Machine learning in automatic indexing significantly improves database performance by intelligently managing indexes according to real-time data and evolving patterns.</li></ul>

Automatic Indexing in Oracle 19c version

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