DBMS > PostgreSQL vs. Weaviate
System Properties Comparison PostgreSQL vs. Weaviate
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|Editorial information provided by DB-Engines|
|Name||PostgreSQL Xexclude from comparison||Weaviate Xexclude from comparison|
|Description||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||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||Document store|
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||SeMI Technologies B.V.|
|Initial release||1989 1989: Postgres, 1996: PostgreSQL||2017|
|Current release||14.4, June 2022||1.0.3, January 2021|
|License Commercial or Open Source||Open Source BSD||Open Source commercial license available with Weaviate Enterprise|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||FreeBSD|
|Data scheme||yes||yes, maps to GraphQL interface|
|Typing predefined data types such as float or date||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.||yes specific XML-type available, but no XML query functionality.||no|
|Secondary indexes||yes||yes all data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed|
|SQL Support of SQL||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||.Net|
|Server-side scripts Stored procedures||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||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication other methods possible by using 3rd party extensions||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no|
|User concepts Access control||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||Instaclustr: Fully Hosted & Managed PostgreSQL|
Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
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EDB: BigAnimal is fully-managed PostgreSQL in the cloud from the database fanatics at EDB.
DbVisualizer is equipping database professionals with the tools they need to build, manage and maintain state-of-the-art database technologies. It has sky-high user satisfaction and is the preferred tool for database professionals around the world. Customers include Tesla, Apple, Facebook, Deutsche Bank, NASA, and 25,000 others in 145 countries.
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!
The State of PostgreSQL 2022 survey is now open!
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
Snowflake is the DBMS of the Year 2021
Weaviate, an ANN Database with CRUD support State of PostgreSQL 2022 Neon previews serverless PostgreSQL database service How to Connect to a PostgreSQL Database Using Node.js - MUO What is Azure Database for PostgreSQL Flexible Server? Using the PostgreSQL List Databases Command - MUO PostgreSQL 14 Breaks the .NET and Java Drivers for PostgreSQL provided by Google News Bob van Luijt Amsterdam-based startup SeMI Technologies raises €14.1M for its open-source vector search engine Weaviate Getting Started with the Weaviate Vector Search Engine The History of the Weaviate Vector Search Engine Database technology evolves to combine machine learning and data storage provided by Google News PostgreSQL DBA PostgreSQL DBA PostgreSQL DBA PostgreSQL DBA Database Administrator
State of PostgreSQL 2022
Neon previews serverless PostgreSQL database service
How to Connect to a PostgreSQL Database Using Node.js - MUO
What is Azure Database for PostgreSQL Flexible Server?
Using the PostgreSQL List Databases Command - MUO
PostgreSQL 14 Breaks the .NET and Java Drivers for PostgreSQL
provided by Google News
Bob van Luijt
Amsterdam-based startup SeMI Technologies raises €14.1M for its open-source vector search engine Weaviate
Getting Started with the Weaviate Vector Search Engine
The History of the Weaviate Vector Search Engine
Database technology evolves to combine machine learning and data storage
provided by Google News
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