DBMS > H2GIS vs. Hawkular Metrics vs. Oracle Rdb vs. PostGIS vs. TinkerGraph

System Properties Comparison H2GIS vs. Hawkular Metrics vs. Oracle Rdb vs. PostGIS vs. TinkerGraph

Editorial information provided by DB-Engines
Name	H2GIS  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	Oracle Rdb  Xexclude from comparison	PostGIS  Xexclude from comparison	TinkerGraph  Xexclude from comparison
Description	Spatial extension of H2	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.		Spatial extension of PostgreSQL	A lightweight, in-memory graph engine that serves as a reference implementation of the TinkerPop3 API
Primary database model	Spatial DBMS	Time Series DBMS	Relational DBMS	Spatial DBMS	Graph DBMS
Secondary database models	Relational DBMS			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.03 Rank #341   Overall #4   Spatial DBMS	Score 0.02 Rank #347   Overall #30   Time Series DBMS	Score 1.18 Rank #161   Overall #75   Relational DBMS	Score 31.68 Rank #28   Overall #1   Spatial DBMS	Score 0.18 Rank #293   Overall #23   Graph DBMS
Website	www.h2gis.org	www.hawkular.org	www.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html	postgis.net	tinkerpop.apache.org/­docs/­current/­reference/­#tinkergraph-gremlin
Technical documentation	www.h2gis.org/­docs/­home	www.hawkular.org/­hawkular-metrics/­docs/­user-guide		postgis.net/­documentation
Developer	CNRS	Community supported by Red Hat	Oracle, originally developed by Digital Equipment Corporation (DEC)
Initial release	2013	2014	1984	2005	2009
Current release			7.4.1.1, 2021	3.2.1, February 2022
License Commercial or Open Source	Open Source LGPL 3.0	Open Source Apache 2.0	commercial	Open Source GPL v2.0	Open Source Apache 2.0
Cloud-based only Only available as a cloud service	no	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java	Java		C	Java
Server operating systems		Linux OS X Windows	HP Open VMS
Data scheme	yes	schema-free	Flexible Schema (defined schema, partial schema, schema free)	yes	schema-free
Typing predefined data types such as float or date	yes	yes	yes	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	yes	no
Secondary indexes	yes	no	yes	yes	no
SQL Support of SQL	yes	no	yes	yes	no
APIs and other access methods		HTTP REST			TinkerPop 3
Supported programming languages	Java	Go Java Python Ruby			Groovy Java
Server-side scripts Stored procedures	yes based on H2	no		user defined functions	no
Triggers	yes	yes via Hawkular Alerting		yes	no
Partitioning methods Methods for storing different data on different nodes	none	Sharding based on Cassandra		yes based on PostgreSQL	none
Replication methods Methods for redundantly storing data on multiple nodes	yes based on H2	selectable replication factor based on Cassandra		yes based on PostgreSQL	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency	Immediate Consistency	none
Foreign keys Referential integrity	yes	no	yes	yes	yes Relationships in graphs
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	yes, on a single node	ACID	no
Concurrency Support for concurrent manipulation of data	yes, multi-version concurrency control (MVCC)	yes	yes	yes	no
Durability Support for making data persistent	yes	yes	yes	yes	optional
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	no	no	yes
User concepts Access control	yes based on H2	no		yes based on PostgreSQL	no
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More resources
	H2GIS	Hawkular Metrics	Oracle Rdb	PostGIS	TinkerGraph
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