DBMS > PostgreSQL vs. Qdrant vs. UniData,UniVerse
System Properties Comparison PostgreSQL vs. Qdrant vs. UniData,UniVerse
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|Editorial information provided by DB-Engines|
|Name||PostgreSQL Xexclude from comparison||Qdrant Xexclude from comparison||UniData,UniVerse Xexclude from comparison|
|Description||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||A high-performance vector database with neural network or semantic-based matching||MultiValue database and application server with SQL mapping layer and meta database capabilities|
|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.||Vector DBMS||Multivalue DBMS|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||Qdrant||Rocket Software|
|Initial release||1989 1989: Postgres, 1996: PostgreSQL||2021||1985|
|Current release||16.0, September 2023|
|License Commercial or Open Source||Open Source BSD||Open Source Apache Version 2.0||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.|
|Server operating systems||FreeBSD|
|Typing predefined data types such as float or date||yes||Numbers, Strings, Geo, Boolean||optional|
|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 Keywords, numberic ranges, geo, full-text||yes|
|SQL Support of SQL||yes standard with numerous extensions||no||yes|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
RESTful HTTP/JSON API OpenAPI 3.0
|Java API JPA|
RESTful HTTP API
|Supported programming languages||.Net|
Basic U2 Basic
|Server-side scripts Stored procedures||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes|
|Triggers||yes||yes U2 Basic|
|Partitioning methods Methods for storing different data on different nodes||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication other methods possible by using 3rd party extensions||Collection-level replication||Source-replica replication|
|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||Eventual Consistency, tunable consistency|
|Foreign keys Referential integrity||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID configurable|
|Concurrency Support for concurrent manipulation of data||yes||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.||no||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||Key-based authentication||Access rights according to SQL-standard and operating system based|
More information provided by the system vendor
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|Related products and services|
|3rd parties||Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters|
Timescale: Calling all PostgreSQL users – the 2023 State of PostgreSQL survey is now open! Share your favorite extensions, preferred frameworks, community experiences, and more. Take the survey today!
Redgate webinars: A series of key topics for new PostgreSQL users.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
pgDash: In-Depth PostgreSQL Monitoring.
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
Instaclustr: Fully Hosted & Managed PostgreSQL
Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
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|Conferences and events|
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