Couch db
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CouchDB is a document storage database that stores data as JSON documents. It features RESTful HTTP access to documents, replication across distributed servers, and a web administration interface. Data is stored on disk for safety and CouchDB uses multiversion concurrency control and map-reduce functions to index and query documents.
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Couch db
- 3. Built in:
- 4. Features • JSON documents. • RESTful acess your documents via HTTP. • replication and distributed (erlang) • easy web administration page • safety of your data first (on-disk)
- 5. JSON example JSON field values may be strings, numbers, dates, or even ordered lists and associative maps.
- 8. Multiversion concurrency control (MVCC) old old NEW old old old old Revisions...