DBMS > LokiJS vs. Microsoft Azure Cosmos DB
System Properties Comparison LokiJS vs. Microsoft Azure Cosmos DB
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|Editorial information provided by DB-Engines|
|Name||LokiJS Xexclude from comparison||Microsoft Azure Cosmos DB former name was Azure DocumentDB Xexclude from comparison|
|Primary database model||Document store||Document store|
Wide column store
|Secondary database models||Spatial DBMS|
|License Commercial or Open Source||Open Source||commercial|
|Cloud-based only Only available as a cloud service||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Typing predefined data types such as float or date||no||yes JSON types|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no|
|Secondary indexes||yes via views||yes All properties auto-indexed by default|
|SQL Support of SQL||no||SQL-like query language|
Graph API (Gremlin)
RESTful HTTP API
MongoDB client drivers written for various programming languages
|Partitioning methods Methods for storing different data on different nodes||none||Sharding Implicit feature of the cloud service|
|Replication methods Methods for redundantly storing data on multiple nodes||none||yes Implicit feature of the cloud service|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||with Hadoop integration Integration with Hadoop/HDInsight on Azure*|
|Consistency concepts Methods to ensure consistency in a distributed system||none||Bounded Staleness|
Immediate Consistency Consistency level configurable on request level
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no atomic operations within a single collection possible||Multi-item ACID transactions with snapshot isolation within a partition|
|Concurrency Support for concurrent manipulation of data||yes|
|Durability Support for making data persistent||yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||no||Access rights can be defined down to the item level|
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|Related products and services|
|3rd parties||CData: Connect to Big Data & NoSQL through standard Drivers.|
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|LokiJS||Microsoft Azure Cosmos DB former name was Azure DocumentDB|
|DB-Engines blog posts|
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Principal Software Engineer, Azure Cosmos DB
Cosmos DB Architect #23-00120
AZURE COSMOS DB DEVELOPER
Senior Backend Full-Stack Engineer
Service Engineer II
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