DBMS > H2GIS vs. NuoDB vs. Riak KV

System Properties Comparison H2GIS vs. NuoDB vs. Riak KV

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Editorial information provided by DB-Engines
Name	H2GIS  Xexclude from comparison	NuoDB  Xexclude from comparison	Riak KV  Xexclude from comparison
Description	Spatial extension of H2	NuoDB is a webscale distributed database that supports SQL and ACID transactions	Distributed, fault tolerant key-value store
Primary database model	Spatial DBMS	Relational DBMS	Key-value store with links between data sets and object tags for the creation of secondary indexes
Secondary database models	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.07 Rank #327   Overall #4   Spatial DBMS	Score 0.96 Rank #179   Overall #86   Relational DBMS	Score 6.31 Rank #67   Overall #10   Key-value stores
Website	www.h2gis.org	nuodb.com	riak.com/­products/­riak-kv
Technical documentation	www.h2gis.org/­docs/­home	doc.nuodb.com
Developer	CNRS	NuoDB, Inc.	Basho Technologies
Initial release	2013	2013	2009
Current release			2.1.0, April 2015
License Commercial or Open Source	Open Source LGPL 3.0	commercial limited edition free	Open Source Apache version 2, commercial enterprise edition
Cloud-based only Only available as a cloud service	no	no	no
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Implementation language	Java	C++	Erlang
Server operating systems		hosted Amazon EC2, Windows Azure, SoftLayer Linux OS X Windows	Linux OS X
Data scheme	yes	yes	schema-free
Typing predefined data types such as float or date	yes	yes	no
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	yes	yes	restricted
SQL Support of SQL	yes	yes	no
APIs and other access methods		ADO.NET JDBC ODBC	HTTP API Native Erlang Interface
Supported programming languages	Java	.Net C C++ Go Java JavaScript JavaScript (Node.js) PHP Python Ruby	C unofficial client library C# C++ unofficial client library Clojure unofficial client library Dart unofficial client library Erlang Go unofficial client library Groovy unofficial client library Haskell unofficial client library Java JavaScript unofficial client library Lisp unofficial client library Perl unofficial client library PHP Python Ruby Scala unofficial client library Smalltalk unofficial client library
Server-side scripts Stored procedures	yes based on H2	Java, SQL	JavaScript and Erlang
Triggers	yes	yes	yes pre-commit hooks and post-commit hooks
Partitioning methods Methods for storing different data on different nodes	none	data is dynamically stored/cached on the nodes where it is read/written	Sharding no "single point of failure"
Replication methods Methods for redundantly storing data on multiple nodes	yes based on H2	yes Managed transparently by NuoDB	selectable replication factor
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	yes	yes	no links between data sets can be stored
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID tunable commit protocol	no
Concurrency Support for concurrent manipulation of data	yes, multi-version concurrency control (MVCC)	yes MVCC	yes
Durability Support for making data persistent	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes Temporary table
User concepts Access control	yes based on H2	Standard SQL roles/ privileges, Administrative Users	no
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	H2GIS	NuoDB	Riak KV
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