DBMS > PostgreSQL vs. RavenDB vs. XTDB
System Properties Comparison PostgreSQL vs. RavenDB vs. XTDB
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|Editorial information provided by DB-Engines|
|Name||PostgreSQL Xexclude from comparison||RavenDB Xexclude from comparison||XTDB formerly named Crux Xexclude from comparison|
|Description||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Open Source Operational and Transactional Enterprise NoSQL Document Database||A general purpose database with bitemporal SQL and Datalog and graph queries|
|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.||Document store||Document store|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
Time Series DBMS
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||Hibernating Rhinos||Juxt Ltd.|
|Initial release||1989 1989: Postgres, 1996: PostgreSQL||2010||2019|
|Current release||16.1, November 2023||5.4, July 2022||1.19, September 2021|
|License Commercial or Open Source||Open Source BSD||Open Source AGPL version 3, commercial license available||Open Source MIT License|
|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|
|All OS with a Java 8 (and higher) VM|
|Typing predefined data types such as float or date||yes||no||yes, extensible-data-notation format|
|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|
|SQL Support of SQL||yes standard with numerous extensions||SQL-like query language (RQL)||limited SQL, making use of Apache Calcite|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|.NET Client API|
F# Client API
Go Client API
Java Client API
NodeJS Client API
PHP Client API
Python Client API
RESTful HTTP 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.||yes||no|
|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||Multi-source replication||yes, each node contains all data|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Default ACID transactions on the local node (eventually consistent across the cluster). Atomic operations with cluster-wide ACID transactions. Eventual consistency for indexes and full-text search indexes.|
|Foreign keys Referential integrity||yes||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID, Cluster-wide transaction available||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||fine grained access rights according to SQL-standard||Authorization levels configured per client per database|
More information provided by the system vendor
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|Related products and services|
|3rd parties||Redgate webinars: A series of key topics for new PostgreSQL users.
Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
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.
pgDash: In-Depth PostgreSQL Monitoring.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
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!
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|PostgreSQL||RavenDB||XTDB formerly named Crux|
|DB-Engines blog posts|
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