This link has been bookmarked by 38 people . It was first bookmarked on 18 Sep 2007, by gducos.
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Not SQL
Unlike SQL databases which are designed to store and report on highly structured, interrelated data, CouchDB is designed to store and report on large amounts of semi-structured, document oriented data. CouchDB greatly simplifies the development of document oriented applications, which make up the bulk of collaborative web applications.
In an SQL database, as needs evolve the schema and storage of the existing data must be updated. This often causes problems as new needs arise that simply weren't anticipated in the initial database designs, and makes distributed "upgrades" a problem for every host that needs to go through a schema update.
With CouchDB, no schema is enforced, so new document types with new meaning can be safely added alongside the old. The view engine is designed to easily handle new document types and disparate but similar documents.
[edit]Distributed
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Andrew Gilmartin# A document database server, accessible via a RESTful JSON API. # Ad-hoc and schema-free with a flat address space. # Distributed, featuring robust, incremental replication with bi-directional conflict detection and management. # Query-able and index-abl
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Gary BurgeWhat CouchDb is * A document database server, accessible via a RESTful JSON API. * Ad-hoc and schema-free with a flat address space. * Distributed, featuring robust, incremental replication with bi-directional conflict detection and management. * Query-ab
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