DBMS > PostgreSQL vs. VoltDB
System Properties Comparison PostgreSQL vs. VoltDB
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|Editorial information provided by DB-Engines|
|Name||PostgreSQL Xexclude from comparison||VoltDB Xexclude from comparison|
|Description||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Distributed In-Memory NewSQL RDBMS Used for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory|
|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|
|Secondary database models||Document store|
|Developer||PostgreSQL Global Development Group www.postgresql.org/developer||VoltDB Inc.|
|Initial release||1989 1989: Postgres, 1996: PostgreSQL||2010|
|Current release||14.0, September 2021||10.1, October 2020|
|License Commercial or Open Source||Open Source BSD||Open Source AGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions|
|Cloud-based only Only available as a cloud service||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.|
|Implementation language||C||Java, C++|
|Server operating systems||FreeBSD|
OS X for development
|Typing predefined data types such as float or date||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.|
|SQL Support of SQL||yes standard with numerous extensions||yes only a subset of SQL 99|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
RESTful HTTP/JSON API
|Supported programming languages||.Net|
Erlang not officially supported
|Server-side scripts Stored procedures||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||Java|
|Partitioning methods Methods for storing different data on different nodes||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|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|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||yes||no FOREIGN KEY constraints are not supported|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID Transactions are executed single-threaded within stored procedures|
|Concurrency Support for concurrent manipulation of data||yes||yes Data access is serialized by the server|
|Durability Support for making data persistent||yes||yes Snapshots and command logging|
|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||Users and roles with access to stored procedures|
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.|
ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
EDB: Helping organizations get the most from PostgreSQL, Oracle Migration, High Availability, Security
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.
Fivetran: Quickly and easily centralize your on-premise and cloud databases.
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!
Instaclustr: Fully Hosted & Managed PostgreSQL
pgDash: In-Depth PostgreSQL Monitoring.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
The Inexorable Rise of PostgreSQL
|Conferences and events|
PostgreSQL Performance Tuning Secrets
Postgres Build 2021
Latest Performance Features in PostgreSQL 14
|Recent citations in the news|
Google Opens Up Spanner Database With PostgreSQL Interface
PostgreSQL 14 improves open source database performance
PostgreSQL 14 brings performance boosts
Open-source veteran PostgreSQL emits release 14: Tweaked, scalable, and ready to get heavy
PostgreSQL 14 is here - what should you look out for?
provided by Google News
Global Industry Analysts Predicts the World In-Memory Database Market to Reach $11 Billion by 2026
VoltDB Launches Active(N) Lossless Cross Data Center Replication
provided by Google News
PostgreSQL DBA/DevOps - Remote
SDE l - REMOTE
Entry-Level Software Engineer
Jr. Manual QA IRC131505
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