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In database theory, the CAP theorem, also named Brewer's theorem after computer scientist Eric Brewer, states that any distributed data store can provide at most two of the following three guarantees:
History, Explanation & Overview
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consistency availability theorem network partition distributed cap brewer system one data three thus also partitioning partitions pacelc computer two available
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| RDBMS choose consistency over availability | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| whereas systems designed around the BASE philosophy | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| common in the NoSQL movement for example | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| choose availability over consistency | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| but MongoDB | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| Redis resolve network partitions by maintaining consistency while compromising on availability | instance of | both availability and consistency can be satisfied.Database systems designed with traditional ACID guarantees in mind | 0.80 | text |
| geographic sharding to maintain availability of data owned by the queried node | instance of | consistent shared-nothing architectures may use techniques | 0.80 | text |
| but without being available for arbitrary requests during a network partition | instance of | consistent shared-nothing architectures may use techniques | 0.80 | text |
| latency | instance of | which is more comprehensive and considers trade-offs | 0.80 | text |
| consistency even in the absence of network partitions | instance of | which is more comprehensive and considers trade-offs | 0.80 | text |
| CAP theorem | related to history | According | 0.60 | section |
| CAP theorem | related to history | Eric Brewer | 0.60 | section |
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