Indexing & Query Optimization
Deep dive into database indexing mechanisms — covering disk I/O, B-Trees, hash indexes, composite index design, geospatial indexing, inverted indexes, EXPLAIN analysis, and Spring/JPA performance.
Deep dive into database indexing mechanisms — covering disk I/O, B-Trees, hash indexes, composite index design, geospatial indexing, inverted indexes, EXPLAIN analysis, and Spring/JPA performance.
How databases store and retrieve data — B+ trees, LSM trees, heap files, InnoDB vs MyISAM, WAL, and buffer pools.