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Acid transaction theory
2022-07-05 11:32:00 【InfoQ】
What is? ACID
- Atomicity( Atomicity ): A business is an indivisible whole , All operations within the transaction are either successful , Or it's a total failure .
- Consistency( Uniformity ): Before and after implementation , Data from one state to another must be consistent (A towards B Transfer accounts , Cannot appear A Buckle the money ,B Has received ).
- Isolation( Isolation, ): Multiple concurrent transactions are isolated from each other , Don't interfere with each other .
- Durability( persistence ): After the transaction completes , Changes to the database are permanent , Cannot be rolled back .
ACID By what guarantee ?
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