midMySQL
ACID Transaction Properties
Updated May 4, 2026
Short answer
Atomicity, Consistency, Isolation, and Durability.
Deep explanation
Atomicity (all or nothing), Consistency (valid states), Isolation (safe concurrency), Durability (persists after crash).
Real-world example
Processing a bank transfer where funds must leave one account and enter another as one unit.
Common mistakes
- Neglecting transactions for multi-row updates, risking partial data corruption.
Follow-up questions
- Which engine supports ACID?