DBMS > Elasticsearch vs. HyperSQL vs. TempoIQ

System Properties Comparison Elasticsearch vs. HyperSQL vs. TempoIQ

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Editorial information provided by DB-Engines
Name	Elasticsearch  Xexclude from comparison	HyperSQL also known as HSQLDB  Xexclude from comparison	TempoIQ formerly TempoDB  Xexclude from comparison
			TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
Description	A distributed, RESTful modern search and analytics engine based on Apache Lucene Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric	Multithreaded, transactional RDBMS written in Java also known as HSQLDB	Scalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database model	Search engine	Relational DBMS	Time Series DBMS
Secondary database models	Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 154.33 Rank #8   Overall #1   Search engines	Score 5.44 Rank #75   Overall #41   Relational DBMS
Website	www.elastic.co/­elasticsearch	hsqldb.org	tempoiq.com (offline)
Technical documentation	www.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.html	hsqldb.org/­web/­hsqlDocsFrame.html
Developer	Elastic		TempoIQ
Initial release	2010	2001	2012
Current release	7.8.0, June 2020	2.6.1, October 2021
License Commercial or Open Source	Open Source Elastic License	Open Source based on BSD license	commercial
Cloud-based only Only available as a cloud service	no	no	yes
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java	Java
Server operating systems	All OS with a Java VM	All OS with a Java VM Embedded (into Java applications) and Client-Server operating modes
Data scheme	schema-free Flexible type definitions. Once a type is defined, it is persistent	yes	schema-free
Typing predefined data types such as float or date	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
Secondary indexes	yes All search fields are automatically indexed	yes
SQL Support of SQL	SQL-like query language	yes	no
APIs and other access methods	Java API RESTful HTTP/JSON API	HTTP API JDBC via HTTP JDBC ODBC	HTTP API
Supported programming languages	.Net Groovy Community Contributed Clients Java JavaScript Perl PHP Python Ruby	All languages supporting JDBC/ODBC Java	C# Java JavaScript Node.js Python Ruby
Server-side scripts Stored procedures	yes	Java, SQL	no
Triggers	yes by using the 'percolation' feature	yes	yes Realtime Alerts
Partitioning methods Methods for storing different data on different nodes	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	none
MapReduce Offers an API for user-defined Map/Reduce methods	ES-Hadoop Connector	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all	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	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.	Memcached and Redis integration	yes	no
User concepts Access control		fine grained access rights according to SQL-standard	simple authentication-based access control
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More resources
	Elasticsearch	HyperSQL also known as HSQLDB	TempoIQ formerly TempoDB
DB-Engines blog posts	PostgreSQL is the DBMS of the Year 2017 2 January 2018, Paul Andlinger, Matthias Gelbmann Elasticsearch moved into the top 10 most popular database management systems 3 July 2017, Matthias Gelbmann MySQL, PostgreSQL and Redis are the winners of the March ranking 2 March 2016, Paul Andlinger show all