Top Architect

Jun 27, 2020 · Databases

MySQL Lock Mechanisms: Row‑Level, Table‑Level, Page‑Level Locks and Optimistic vs Pessimistic Concurrency Control

This article explains MySQL's locking mechanisms, detailing row‑level, table‑level, and page‑level locks, their characteristics and usage, and compares optimistic and pessimistic concurrency control, including implementation methods, storage‑engine specifics, deadlock causes, and strategies to avoid them.