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description: a fully managed NoSQL and relational database
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# Cosmos DB

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* 99.999% availability
* RPO 0
* a global-scale non-relational (_NoSQL_) database system that supports multiple APIs, enabling you to store and manage data as JSON documents, key-value pairs, column-families, and graphs.
* stores data in atom-record-sequence (ARS) format, then data is abstracted and projected using APIs (SQL, MongoDB, Cassandra, Tables, Gremlin)
