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.
Chi tiết cơ chế đánh index MySQL nâng cao: phân biệt Seek vs Filter, quy tắc Leftmost Prefix, ESR rule, Index Condition Pushdown (ICP), Skip Scan, và kỹ thuật Deferred Join tăng tốc 148 lần.
How databases store and retrieve data — B+ trees, LSM trees, heap files, InnoDB vs MyISAM, WAL, and buffer pools.