> [!tldr] Atomic, Consistent, Isolated, Durable - a guarantee of reliable transactions ACID compliance means that a database system handles [[CRUD Transactions]] in a way that's: - **Atomic** - a transaction is a single unit. It cannot "half work". It fully works or fully doesn't. - **Consistency** - a transaction cannot break schemas, rules, and any other database validity checks - **Isolated** - a transaction cannot interfere with another transaction - **Durable** - a transaction, once committed is saved permanently **** # More ## Source - various along the way