DBMS > HarperDB vs. InterSystems IRIS vs. PostgreSQL
System Properties Comparison HarperDB vs. InterSystems IRIS vs. PostgreSQL
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|Editorial information provided by DB-Engines|
|Name||HarperDB Xexclude from comparison||InterSystems IRIS Xexclude from comparison||PostgreSQL Xexclude from comparison|
|Description||A distributed database focused on speed and ease of use. It has an intuitive REST API, and supports NoSQL and SQL including joins. HarperDB leverages standard interfaces, and users can be up and running in minutes.||A containerised multi-model DBMS, interoperability and analytics data platform with wide capabilities for vertical and horizontal scalability||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL|
|Primary database model||Document store||Document store|
Object oriented DBMS
|Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.|
|Secondary database models||Document store|
|Developer||HarperDB||InterSystems||PostgreSQL Global Development Group www.postgresql.org/developer|
|Initial release||2017||2018||1989 1989: Postgres, 1996: PostgreSQL|
|Current release||3.1, August 2021||2021.1, June 2021||14.4, June 2022|
|License Commercial or Open Source||commercial free community edition available||commercial||Open Source BSD|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||Linux|
|Data scheme||dynamic schema||depending on used data model||yes|
|Typing predefined data types such as float or date||yes JSON data types||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||yes||yes specific XML-type available, but no XML query functionality.|
|SQL Support of SQL||SQL-like data manipulation statements||yes||yes standard with numerous extensions|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
RESTful HTTP API
native C library
streaming API for large objects
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||Custom Functions since release 3.1||yes||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.|
|Partitioning methods Methods for storing different data on different nodes||A table resides as a whole on one (or more) nodes in a cluster||Sharding||partitioning by range, list and (since PostgreSQL 11) by hash|
|Replication methods Methods for redundantly storing data on multiple nodes||yes the nodes on which a table resides can be defined||Source-replica replication||Source-replica replication other methods possible by using 3rd party extensions|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Atomic execution of specific operations||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes, using LMDB||yes||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||Access rights for users and roles||yes||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 26K total HarperDB users : 12,700+ npm downloads 10,000+ on Docker Hub 3,400+...|
|Licensing and pricing models||HarperDB follows a freemium/premium model . A data base is only as powerful as it...|
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|3rd parties||CYBERTEC is your professional partner for PostgreSQL services and Data Science since 2000. With offices in Austria, Uruguay, Estonia, Poland, South Africa and Switzerland, CYBERTEC operates worldwide and is here for you 24/7! |
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