Description: Index maintenance is the process of managing and optimizing indexes in a database. Indexes are structures that enhance data retrieval speed by allowing faster and more efficient searches. However, as insert, update, and delete operations are performed on the database, indexes can become fragmented or outdated, negatively impacting query performance. Index maintenance involves several tasks, such as rebuilding and reorganizing indexes, updating statistics, and removing unnecessary indexes. These activities are crucial to ensure that indexes remain effective and that queries execute optimally. Proper maintenance not only improves database performance but can also reduce resource usage and response time, which is essential for applications requiring quick access to information. In summary, index maintenance is a fundamental practice in database management that ensures efficiency and effectiveness in data management.