DBMS > Apache Doris vs. PostgreSQL vs. Valentina Server
System Properties Comparison Apache Doris vs. PostgreSQL vs. Valentina Server
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|Editorial information provided by DB-Engines|
|Name||Apache Doris Xexclude from comparison||PostgreSQL Xexclude from comparison||Valentina Server Xexclude from comparison|
|Description||An MPP-based analytics DBMS embracing the MySQL protocol||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Object-relational database and reports server|
|Primary database model||Relational DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Relational DBMS|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
|Developer||Apache Software Foundation, originally contributed from Baidu||PostgreSQL Global Development Group www.postgresql.org/developer||Paradigma Software|
|Initial release||2017||1989 1989: Postgres, 1996: PostgreSQL||1999|
|Current release||1.2.2, February 2023||16.0, September 2023||5.7.5|
|License Commercial or Open Source||Open Source Apache Version 2.0||Open Source BSD||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||Linux||FreeBSD|
|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 specific XML-type available, but no XML query functionality.|
|SQL Support of SQL||yes||yes standard with numerous extensions||yes|
|APIs and other access methods||JDBC|
native C library
streaming API for large objects
|Supported programming languages||Java||.Net|
|Server-side scripts Stored procedures||user defined functions||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning||partitioning by range, list and (since PostgreSQL 11) by hash|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Source-replica replication other methods possible by using 3rd party extensions|
|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|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID|
|Concurrency Support for concurrent manipulation of data||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||no||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
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|Apache Doris||PostgreSQL||Valentina Server|
|DB-Engines blog posts|
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|Conferences and events|
PostgreSQL 101: An introduction to Multi-Version Concurrency Control and Vacuum
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