Programmer1970

Nov 21, 2025 · Databases

10 Core MySQL InnoDB Interview Questions Explained

This article walks through ten essential MySQL InnoDB interview questions, covering why InnoDB uses B+ trees, MVCC isolation levels, two‑phase commit, gap locks, buffer‑pool LRU design, undo‑log mechanics, binlog formats, lock‑upgrade behavior, double‑write buffering, and the differences between clustered and non‑clustered indexes.