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ACID refers to the basic properties of a database transaction: Atomicity, Consistency, Isolation, and Durability.

All Oracle database, Oracle RDB and InnoDB transactions comply with these properties. However, Oracle's Berkeley DB database is not ACID-compliant.


The entire sequence of actions must be either completed or aborted. The transaction cannot be partially successful.


The transaction takes the resources from one consistent state to another.


A transaction's effect is not visible to other transactions until the transaction is committed.


Changes made by the committed transaction are permanent and must survive system failure.

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