1. ACID PROPERTIES IN DBMS BY JYOTIRMOTY BERA Contact Us : Contact Us : www.linkedin.com/in/jyotirmoybera

2. What are ACID Properties?  For maintaining the integrity of data, the DBMS system you have to ensure ACID properties. ACID stands for Atomicity, Consistency, Isolation, and Durability.

3. Atomicity:-  A transaction is a single unit of operation. You either execute it entirely or do not execute it at all. There cannot be partial execution.

4. Consistency:-  Once the transaction is executed, it should move from one consistent state to another.

5. Isolation:-  It shows that the data which is used at the time of execution of a transaction cannot be used by the second transaction until the first one is completed.  A transaction in process and not yet committed must remain isolated from any other transaction.

6. Durability:-  Committed data is saved by the system such that, even in the event of a failure and system restart, the data is available in its correct state.

7. When is ACID Needed?  The ACID properties are designed as principles of transaction-oriented database recovery.  If a transaction like this fails halfway through, it could have major consequences. Money could be debited from the first account but not credited to the other account.

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