DBMS > Cachelot.io vs. H2 vs. Percona Server for MongoDB vs. Transwarp StellarDB

System Properties Comparison Cachelot.io vs. H2 vs. Percona Server for MongoDB vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
Name	Cachelot.io  Xexclude from comparison	H2  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison
Description	In-memory caching system	Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.	A distributed graph DBMS built for enterprise-level graph applications
Primary database model	Key-value store	Relational DBMS	Document store	Graph DBMS
Secondary database models		Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.04 Rank #388   Overall #62   Key-value stores	Score 8.33 Rank #46   Overall #30   Relational DBMS	Score 0.60 Rank #246   Overall #39   Document stores	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	cachelot.io	www.h2database.com	www.percona.com/­mongodb/­software/­percona-server-for-mongodb	www.transwarp.cn/­en/­product/­stellardb
Technical documentation		www.h2database.com/­html/­main.html	docs.percona.com/­percona-distribution-for-mongodb
Developer		Thomas Mueller	Percona	Transwarp
Initial release	2015	2005	2015
Current release		2.2.220, July 2023	3.4.10-2.10, November 2017
License Commercial or Open Source	Open Source Simplified BSD License	Open Source dual-licence (Mozilla public license, Eclipse public license)	Open Source GPL Version 2	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C++	Java	C++
Server operating systems	FreeBSD Linux OS X	All OS with a Java VM	Linux
Data scheme	schema-free	yes	schema-free
Typing predefined data types such as float or date	no	yes	yes
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	no	no
Secondary indexes	no	yes	yes
SQL Support of SQL	no	yes	no	SQL-like query language
APIs and other access methods	Memcached protocol	JDBC ODBC	proprietary protocol using JSON	OpenCypher
Supported programming languages	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml OCaml Perl PHP Python Ruby	Java	Actionscript 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
Server-side scripts Stored procedures	no	Java Stored Procedures and User-Defined Functions	JavaScript
Triggers	no	yes	no
Partitioning methods Methods for storing different data on different nodes	none	none	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	none	With clustering: 2 database servers on different computers operate on identical copies of a database	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Eventual Consistency Immediate Consistency
Foreign keys Referential integrity	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes, multi-version concurrency control (MVCC)	yes	yes
Durability Support for making data persistent	no	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes	yes via In-Memory Engine
User concepts Access control	no	fine grained access rights according to SQL-standard	Access rights for users and roles	yes
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More resources
	Cachelot.io	H2	Percona Server for MongoDB	Transwarp StellarDB
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