DBMS > H2 vs. Kdb vs. SpatiaLite
System Properties Comparison H2 vs. Kdb vs. SpatiaLite
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|Editorial information provided by DB-Engines|
|Name||H2 Xexclude from comparison||Kdb Xexclude from comparison||SpatiaLite Xexclude from comparison|
|Description||Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.||High performance Time Series DBMS||Spatial extension of SQLite|
|Primary database model||Relational DBMS||Time Series DBMS|
|Secondary database models||Spatial DBMS||Relational DBMS||Relational DBMS|
|Developer||Thomas Mueller||Kx Systems, a division of First Derivatives plc||Alessandro Furieri|
|Initial release||2005||2000 kdb was released 2000, kdb+ in 2003||2008|
|Current release||2.2.220, July 2023||3.6, May 2018||5.0.0, August 2020|
|License Commercial or Open Source||Open Source dual-licence (Mozilla public license, Eclipse public license)||commercial free 32-bit version||Open Source MPL 1.1, GPL v2.0 or LGPL v2.1|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||Linux|
|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||yes||no|
|Secondary indexes||yes||yes table attribute 'grouped'||yes|
|SQL Support of SQL||yes||SQL-like query language (q)||yes|
|APIs and other access methods||JDBC|
|Supported programming languages||Java||C|
|Server-side scripts Stored procedures||Java Stored Procedures and User-Defined Functions||user defined functions||no|
|Triggers||yes||yes with views||yes|
|Partitioning methods Methods for storing different data on different nodes||none||horizontal partitioning||none|
|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||Source-replica replication||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no similar paradigm used for internal processing||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes||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||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||rights management via user accounts||no|
|More information provided by the system vendor|
|Specific characteristics||Integrated columnar database & programming system for streaming, real time and historical...|
|Competitive advantages||provides seamless scalability; runs on industry standard server platforms; is top-ranked...|
|Typical application scenarios||tick database streaming sensor data massive intelligence applications oil and gas...|
|Key customers||Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...|
|Market metrics||kdb+ performance and reliability proven by our customers in critical infrastructure...|
|Licensing and pricing models||upon request|
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ICE and KX Bring High Performance Real-time Analytics to More ...
KX JOINS SNOWFLAKE PARTNER NETWORK
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