DBMS > H2GIS vs. PostgreSQL vs. Weaviate
System Properties Comparison H2GIS vs. PostgreSQL vs. Weaviate
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|Editorial information provided by DB-Engines|
|Name||H2GIS Xexclude from comparison||PostgreSQL Xexclude from comparison||Weaviate Xexclude from comparison|
|Description||Spatial extension of H2||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||A cloud-native, realtime vector search engine integrating scalable machine learning models|
|Primary database model||Spatial DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Search engine|
|Secondary database models||Relational DBMS||Document store|
|Developer||CNRS||PostgreSQL Global Development Group www.postgresql.org/developer||SeMI Technologies B.V.|
|Initial release||2013||1989 1989: Postgres, 1996: PostgreSQL||2017|
|Current release||14.3, May 2022||1.0.3, January 2021|
|License Commercial or Open Source||Open Source LGPL 3.0||Open Source BSD||Open Source commercial license available with Weaviate Enterprise|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.|
|Server operating systems||FreeBSD|
|Data scheme||yes||yes||yes, maps to GraphQL interface|
|Typing predefined data types such as float or date||yes||yes||yes string, int, float, geo point, date, cross reference, fuzzy references|
|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 specific XML-type available, but no XML query functionality.||no|
|Secondary indexes||yes||yes||yes all data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed|
|SQL Support of SQL||yes||yes standard with numerous extensions||GraphQL is used as query language|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|GraphQL query language|
RESTful HTTP/JSON API
|Supported programming languages||Java||.Net|
|Server-side scripts Stored procedures||yes based on H2||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no|
|Partitioning methods Methods for storing different data on different nodes||none||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes based on H2||Source-replica replication other methods possible by using 3rd party extensions||yes|
|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||Eventual Consistency|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||no|
|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||no||no|
|User concepts Access control||yes based on H2||fine grained access rights according to SQL-standard||OpenID Connect Discovery|
|More information provided by the system vendor|
|Typical application scenarios||As a stand-alone vector search engine, or use one of the many modules (transformers,...|
|Key customers||A ll companies that have data. |
|Licensing and pricing models||Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|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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provided by Google News
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