March 2018
Beginner to intermediate
308 pages
8h 23m
English
Content preview from Seven NoSQL Databases in a Week
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ACID guarantees
Relational databases have provided the traditional properties of ACID: atomicity, consistency, isolation, and durability:
- Atomicity is self-explanatory and refers to the all-or-nothing nature of a set of operations.
- Consistency in ACID and consistency in the CAP theorem refer to different things. Consistency in ACID refers to the principle that the system must be left in a consistent state while processing transactions, it either reflects the state after successful completion of the transaction or must roll back to a state prior to the start of the transaction.
- Isolation refers to the interaction effects between transactions. Under what conditions is the state modified by one transaction visible to other active transactions ...
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