DBMS > PostgreSQL vs. Teradata vs. TimesTen
System Properties Comparison PostgreSQL vs. Teradata vs. TimesTen
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|Editorial information provided by DB-Engines|
|Name||PostgreSQL Xexclude from comparison||Teradata Xexclude from comparison||TimesTen Xexclude from comparison|
|Description||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||A hybrid cloud data analytics software platform (Teradata Vantage)||In-Memory RDBMS compatible to Oracle|
|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.||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
Time Series DBMS
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||Teradata||Oracle, TimesTen Performance Software, HP originally founded in HP Labs it was acquired by Oracle in 2005|
|Initial release||1989 1989: Postgres, 1996: PostgreSQL||1984||1998|
|Current release||13.3, May 2021||Teradata Vantage 1.0 MU2, January 2019||11 Release 2 (22.214.171.124.0)|
|License Commercial or Open Source||Open Source BSD||commercial||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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|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|
|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.||yes specific XML-type available, but no XML query functionality.||yes||no|
|Secondary indexes||yes||yes Join-index to prejoin tables, aggregate index, sparse index, hash index||yes|
|SQL Support of SQL||yes standard with numerous extensions||yes SQL 2016 + extensions||yes|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|.NET Client API|
Oracle Call Interface (OCI)
|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 UDFs, stored procedures, table functions in parallel||PL/SQL|
|Partitioning methods Methods for storing different data on different nodes||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding Hashing||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|
|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||Immediate Consistency or Eventual Consistency depending on configuration|
|Foreign keys Referential integrity||yes||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes by means of logfiles and checkpoints|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes||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|
More information provided by the system vendor
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|Related products and services|
|3rd parties||Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.|
Fivetran: Quickly and easily centralize your on-premise and cloud databases.
ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
pgDash: In-Depth PostgreSQL Monitoring.
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!
EDB: Helping organizations get the most from PostgreSQL, Oracle Migration, High Availability, Security
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