DBMS > H2 vs. InfluxDB vs. PostgreSQL
System Properties Comparison H2 vs. InfluxDB vs. PostgreSQL
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|Editorial information provided by DB-Engines|
|Name||H2 Xexclude from comparison||InfluxDB Xexclude from comparison||PostgreSQL Xexclude from comparison|
|Description||Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.||DBMS for storing time series, events and metrics||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL|
|Primary database model||Relational DBMS||Time Series 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||Spatial DBMS||Spatial DBMS with GEO package||Document store|
|Developer||Thomas Mueller||PostgreSQL Global Development Group www.postgresql.org/developer|
|Initial release||2005||2013||1989 1989: Postgres, 1996: PostgreSQL|
|Current release||2.1.210, January 2022||2.0.8, August 2021||14.4, June 2022|
|License Commercial or Open Source||Open Source dual-licence (Mozilla public license, Eclipse public license)||Open Source MIT-License; commercial enterprise version available||Open Source BSD|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||All OS with a Java VM||Linux|
OS X through Homebrew
|Typing predefined data types such as float or date||yes||Numeric data and Strings||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||yes specific XML-type available, but no XML query functionality.|
|SQL Support of SQL||yes||SQL-like query language||yes standard with numerous extensions|
|APIs and other access methods||JDBC|
JSON over UDP
native C library
streaming API for large objects
|Supported programming languages||Java||.Net|
|Server-side scripts Stored procedures||Java Stored Procedures and User-Defined Functions||no||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||none||Sharding in enterprise version only||partitioning by range, list and (since PostgreSQL 11) by hash|
|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||selectable replication factor in enterprise version only||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|
|Foreign keys Referential integrity||yes||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes, multi-version concurrency control (MVCC)||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.||yes||yes Depending on used storage engine||no|
|User concepts Access control||fine grained access rights according to SQL-standard||simple rights management via user accounts||fine grained access rights according to SQL-standard|
|More information provided by the system vendor|
|Specific characteristics||InfluxData is the creator of InfluxDB , the open source time series database. It...|
|Competitive advantages||Time to Value InfluxDB is available in all the popular languages and frameworks,...|
|Typical application scenarios||IoT & Sensor Monitoring Developers are witnessing the instrumentation of every available...|
|Key customers||InfluxData has more than 1,300 paying customers, including customers include MuleSoft,...|
|Market metrics||Fastest growing database to drive 23,500 GitHub stars Over 600,000 daily active instances|
|Licensing and pricing models||Open source core with closed source clustering available either on-premise or on...|
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