DBMS > FatDB vs. PostgreSQL vs. SAP SQL Anywhere
System Properties Comparison FatDB vs. PostgreSQL vs. SAP SQL Anywhere
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|Editorial information provided by DB-Engines|
|Name||FatDB Xexclude from comparison||PostgreSQL Xexclude from comparison||SAP SQL Anywhere formerly called Adaptive Server Anywhere Xexclude from comparison|
|FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.|
|Description||A .NET NoSQL DBMS that can integrate with and extend SQL Server.||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments|
|Primary database model||Document store|
|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|
|Developer||FatCloud||PostgreSQL Global Development Group www.postgresql.org/developer||SAP formerly Sybase|
|Initial release||2012||1989 1989: Postgres, 1996: PostgreSQL||1992|
|Current release||11.5, August 2019||17, July 2015|
|License Commercial or Open Source||commercial||Open Source BSD||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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|Server operating systems||Windows||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|
|SQL Support of SQL||no Via inetgration in SQL Server||yes standard with numerous extensions||yes|
|APIs and other access methods||.NET Client API|
RESTful HTTP API
Windows WCF Bindings
|native C library|
streaming API for large objects
|Supported programming languages||C#||.Net|
|Server-side scripts Stored procedures||yes via applications||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes, in C/C++, Java, .Net or Perl|
|Triggers||yes via applications||yes||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||partitioning by range, list and (since PostgreSQL 11) by hash||none|
|Replication methods Methods for redundantly storing data on multiple nodes||selectable replication factor||Master-slave replication other methods possible by using 3rd party extensions||Master-slave replication Database mirroring|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
|Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||ACID|
|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||no Can implement custom security layer via applications||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||Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service|
pgDash: In-Depth PostgreSQL Monitoring.
2ndQuadrant: PostgreSQL Solutions for the Enterprise.
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
DBHawk: a web-based PostgreSQL/Greenplum database tool. Boost database development and BI productivity with an online Universal database tool.
Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|FatDB||PostgreSQL||SAP SQL Anywhere formerly called Adaptive Server Anywhere|
|DB-Engines blog posts|
PostgreSQL is the DBMS of the Year 2018
|Conferences and events|
PostgreSQL Conference, Asia 2019
PostgreSQL Conference, Europe 2019
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