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DBMS > Newts vs. Percona Server for MongoDB vs. Quasardb vs. Realm vs. VelocityDB

System Properties Comparison Newts vs. Percona Server for MongoDB vs. Quasardb vs. Realm vs. VelocityDB

Editorial information provided by DB-Engines
NameNewts  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonQuasardb  Xexclude from comparisonRealm  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionTime Series DBMS based on CassandraA drop-in replacement for MongoDB Community Edition with enterprise-grade features.Distributed, high-performance timeseries databaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSDocument storeTime Series DBMSDocument storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#41  Time Series DBMS
Score0.52
Rank#254  Overall
#39  Document stores
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiteopennms.github.io/­newtswww.percona.com/­mongodb/­software/­percona-server-for-mongodbquasar.airealm.iovelocitydb.com
Technical documentationgithub.com/­OpenNMS/­newts/­wikidocs.percona.com/­percona-distribution-for-mongodbdoc.quasar.ai/­masterrealm.io/­docsvelocitydb.com/­UserGuide
DeveloperOpenNMS GroupPerconaquasardbRealm, acquired by MongoDB in May 2019VelocityDB Inc
Initial release20142015200920142011
Current release3.4.10-2.10, November 20173.14.1, January 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoGPL Version 2commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C++C#
Server operating systemsLinux
OS X
Windows
LinuxBSD
Linux
OS X
Windows
Android
Backend: server-less
iOS
Windows
Any that supports .NET
Data schemeschema-freeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes infointeger and binaryyesyes
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.nonononono
Secondary indexesnoyesyes infowith tagsyesyes
SQL infoSupport of SQLnonoSQL-like query languagenono
APIs and other access methodsHTTP REST
Java API
proprietary protocol using JSONHTTP API.Net
Supported programming languagesJavaActionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
.Net
Java infowith Android only
Objective-C
React Native
Swift
.Net
Server-side scripts infoStored proceduresnoJavaScriptnono inforuns within the applications so server-side scripts are unnecessaryno
Triggersnononoyes infoChange ListenersCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraShardingSharding infoconsistent hashingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationSource-replica replication with selectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyeswith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infovia In-Memory Engineyes infoTransient modeyes infoIn-Memory realmyes
User concepts infoAccess controlnoAccess rights for users and rolesCryptographically strong user authentication and audit trailyesBased on Windows Authentication

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More resources
NewtsPercona Server for MongoDBQuasardbRealmVelocityDB
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