<ul><li>Large offsets in MySQL queries using LIMIT can significantly slow down performance, especially in deep pagination scenarios.</li><li>The slowdown is due to MySQL processing all offset + count rows before discarding offset rows and returning requested rows.</li><li>Factors like indexing, bookmark lookups, and filesorts contribute to the performance issues.</li><li>To optimize, keyset pagination using starting values or covering indexes with subqueries are recommended.</li><li>Keyset pagination allows direct seeking to the starting point, enhancing efficiency in sequential pagination.</li><li>Covering indexes with subqueries reduce bookmark lookups, improving performance for arbitrary page jumps.</li><li>Implementing covering indexes ensures all query requirements are met directly from the index, reducing costly lookups.</li><li>Tools like Chat2DB provide AI-powered query optimization and EXPLAIN analysis to streamline SQL optimization processes.</li><li>Chat2DB enhances productivity by assisting in complex query writing and database management tasks.</li></ul>

The LIMIT offset, count Trap: Why Large Offsets Slow Down MySQL?

Discover more