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DBMS > Microsoft Azure Cosmos DB vs. Newts vs. VelocityDB

System Properties Comparison Microsoft Azure Cosmos DB vs. Newts vs. VelocityDB

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Editorial information provided by DB-Engines
NameMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonNewts  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionGlobally distributed, horizontally scalable, multi-model database serviceTime Series DBMS based on CassandraA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Time Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score40.82
Rank#26  Overall
#3  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score0.00
Rank#353  Overall
#33  Time Series DBMS
Score0.04
Rank#324  Overall
#32  Graph DBMS
#18  Object oriented DBMS
Websiteazure.microsoft.com/­services/­cosmos-dbopennms.github.io/­newtsvelocitydb.com
Technical documentationdocs.microsoft.com/­azure/­cosmos-dbgithub.com/­OpenNMS/­newts/­wikivelocitydb.com/­UserGuide
DeveloperMicrosoftOpenNMS GroupVelocityDB Inc
Initial release201420142011
Current release7.x
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC#
Server operating systemshostedLinux
OS X
Windows
Any that supports .NET
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyes infoJSON typesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesyes infoAll properties auto-indexed by defaultnoyes
SQL infoSupport of SQLSQL-like query languagenono
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
HTTP REST
Java API
.Net
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
Java.Net
Server-side scripts infoStored proceduresJavaScriptnono
TriggersJavaScriptnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceselectable replication factor infobased on Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*nono
Consistency concepts infoMethods to ensure consistency in a distributed systemBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataMulti-item ACID transactions with snapshot isolation within a partitionnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess rights can be defined down to the item levelnoBased on Windows Authentication

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More resources
Microsoft Azure Cosmos DB infoformer name was Azure DocumentDBNewtsVelocityDB
Recent citations in the news

ChaosDB: Infosec bods could pull anyone's plaintext Azure Cosmos DB keys at will from Microsoft admin tools
12 November 2021, The Register

At Ignite, Microsoft enhances its cloud database, warehouse and lake services
2 November 2021, ZDNet

Stormy times for cloud compliance?
4 November 2021, ZDNet

Microsoft advances Cosmos DB and previews SQL Server 2022
2 November 2021, TechTarget

Azure Cosmos DB alert: This critical vulnerability puts users at risk
27 August 2021, ZDNet

provided by Google News

Rapid phenotypic change in a polymorphic salamander over 43 years | Scientific Reports
22 November 2021, Nature.com

provided by Google News

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