Oracle Database Transaction

Database Transaction :

Consists of Atomicity, Consistency, Isolation, and Durability.

Oracle Database comply with above properties

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

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

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

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

Reference : http://www.orafaq.com