DBMS > NSDb vs. PostgreSQL vs. SAP SQL Anywhere
System Properties Comparison NSDb vs. PostgreSQL vs. SAP SQL Anywhere
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|Editorial information provided by DB-Engines|
|Name||NSDb Xexclude from comparison||PostgreSQL Xexclude from comparison||SAP SQL Anywhere formerly called Adaptive Server Anywhere Xexclude from comparison|
|Description||Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes||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||Time Series 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|
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||SAP formerly Sybase|
|Initial release||2017||1989 1989: Postgres, 1996: PostgreSQL||1992|
|Current release||15.2, February 2023||17, July 2015|
|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|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||Java, Scala||C|
|Server operating systems||Linux|
|Typing predefined data types such as float or date||yes: int, bigint, decimal, string||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.||yes|
|Secondary indexes||all fields are automatically indexed||yes||yes|
|SQL Support of SQL||SQL-like query language||yes standard with numerous extensions||yes|
|APIs and other access methods||gRPC|
native C library
streaming API for large objects
|Supported programming languages||Java|
|Server-side scripts Stored procedures||no||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|
|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||Source-replica replication other methods possible by using 3rd party extensions||Source-replica replication Database mirroring|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||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||Using Apache Lucene||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||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.|
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Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
The State of PostgreSQL 2022 survey is now open!
SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
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Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
Instaclustr: Fully Hosted & Managed PostgreSQL
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|NSDb||PostgreSQL||SAP SQL Anywhere formerly called Adaptive Server Anywhere|
|DB-Engines blog posts|
Snowflake is the DBMS of the Year 2022, defending the title from last year Snowflake is the DBMS of the Year 2021 Driving the Future of PostgreSQL Adoption
Snowflake is the DBMS of the Year 2021 Driving the Future of PostgreSQL Adoption
Driving the Future of PostgreSQL Adoption
|Conferences and events|
PGCon 2023, PostgreSQL Conference for Users and Developers
|Recent citations in the news|
From a Fan: On the Ascendance of PostgreSQL
Amazon Aurora PostgreSQL Adds Write-Through Cache to Improve ...
Google makes AlloyDB for PostgreSQL available in 16 new regions
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