DBMS > H2 vs. HarperDB vs. Trafodion
System Properties Comparison H2 vs. HarperDB vs. Trafodion
Please select another system to include it in the comparison.
|Editorial information provided by DB-Engines|
|Name||H2 Xexclude from comparison||HarperDB Xexclude from comparison||Trafodion Xexclude from comparison|
|Description||Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.||Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.||Transactional SQL-on-Hadoop DBMS|
|Primary database model||Relational DBMS||Document store||Relational DBMS|
|Secondary database models||Spatial DBMS|
|Developer||Thomas Mueller||HarperDB||Apache Software Foundation, originally developed by HP|
|Current release||2.1.210, January 2022||3.1, August 2021||2.3.0, February 2019|
|License Commercial or Open Source||Open Source dual-licence (Mozilla public license, Eclipse public license)||commercial free community edition available||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Implementation language||Java||Node.js||C++, Java|
|Server operating systems||All OS with a Java VM||Linux|
|Data scheme||yes||dynamic schema||yes|
|Typing predefined data types such as float or date||yes||yes JSON data types||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|
|SQL Support of SQL||yes||SQL-like data manipulation statements||yes|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
|Supported programming languages||Java||.Net|
|All languages supporting JDBC/ODBC/ADO.Net|
|Server-side scripts Stored procedures||Java Stored Procedures and User-Defined Functions||Custom Functions since release 3.1||Java Stored Procedures|
|Partitioning methods Methods for storing different data on different nodes||none||A table resides as a whole on one (or more) nodes in a cluster||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||With clustering: 2 database servers on different computers operate on identical copies of a database||yes the nodes on which a table resides can be defined||yes, via HBase|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes via user defined functions and HBase|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||Atomic execution of specific operations||ACID|
|Concurrency Support for concurrent manipulation of data||yes, multi-version concurrency control (MVCC)||yes||yes|
|Durability Support for making data persistent||yes||yes, using LMDB||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes||no|
|User concepts Access control||fine grained access rights according to SQL-standard||Access rights for users and roles||fine grained access rights according to SQL-standard|
|More information provided by the system vendor|
|Specific characteristics||HarperDB is the first distributed database with hybrid SQL & NoSQL functionality...|
|Competitive advantages||By combining the functionality of the best SQL, NoSQL, and NewSQL products on the...|
|Typical application scenarios||Use cases where HarperDB is a better fit than other solutions include: Rapid app...|
|Key customers||A few highlighted customers include: US Army, US Airforce, Chelan PUD, TATA, & Lumen....|
|Market metrics||Over 94K total HarperDB users : 16,500+ npm downloads 73,600+ on Docker Hub 4,200+...|
|Licensing and pricing models||HarperDB follows a freemium/premium model . A data base is only as powerful as it...|
We invite representatives of system vendors to contact us for updating and extending the system information,
Related products and services
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Recent citations in the news|
HarperDB 4.0 integrates with open-source connectivity platform ...
NATS, An Open Source Connection Technology Now Includes ...
Stephen Goldberg Named 2023 Bill Daniels Ethical Leader of the ...
Edison Interactive partners with HarperDB to deliver premier digital ...
Jaxon Repp on HarperDB Distributed Database Platform
provided by Google News
The Apache® Software Foundation Announces Annual Report for ...
How Facebook Accelerates SQL at Extreme Scale
Hadoop's growing enterprise presence demonstrated by three ...
provided by Google News
NoSQL Data Engineer Work from Home
NodeJS Customer Success Engineer
Share this page