Kiran Kumar

Atomicity All or None A transaction includes multiple statement/queries to be processed. The atomicity property identifies that the transaction is atomic. An atomic transaction is either fully completed, or is not begun at all. All the statements to be processed or none of them to be processed. Consistency: This property ensures that any transaction will bring the database from one valid state to another. Any data written to the database must be valid according to all defined rules, including constraints, cascades, triggers, and any combination thereof. Isolation This isolation property ensures that the concurrent execution of transaction statements. All the statement must execute in serial order (one after the other). Providing isolation is the main goal of concurrency control. Durable: This property means that once a transaction has been committed, it will remain so, even in the event of power loss, crashes, or errors.

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