January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Key-value databases
The key-value store is the simplest database store. In this database model, the storage, as its name suggests, is based on maps or hash tables. Some key-value databases allow complex values to be stored as lists and hash tables. Key-value pairs are extremely fast for certain scenarios but lack the support for complex queries and aggregation. Some of the existing open source key-value databases are Riak, Redis, Couchbase Server, and MemcacheDB.
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