DBMS > Greenplum vs. PostgreSQL

System Properties Comparison Greenplum vs. PostgreSQL

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Editorial information provided by DB-Engines

Name

Description

Analytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database

A logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.

Widely used open source RDBMS

Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL

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.

Secondary database models

Document store
Spatial DBMS

Document store
Graph DBMS

with Apache Age
Spatial DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	10.64
Rank	#48	Overall
	#30	Relational DBMS

Score	612.82
Rank	#4	Overall
	#4	Relational DBMS

Website

greenplum.org

www.postgresql.org

Technical documentation

docs.greenplum.org

www.postgresql.org/docs

Developer

Pivotal Software Inc.

PostgreSQL Global Development Group

www.postgresql.org/developer

Initial release

2005

1989

1989: Postgres, 1996: PostgreSQL

Current release

6.7.1, April 2020

15.3, May 2023

License

Commercial or Open Source

Open Source

Apache 2.0

Open Source

BSD

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

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Implementation language

Server operating systems

Linux

FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows

Data scheme

yes

Typing

predefined data types such as float or date

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

since Version 4.2

yes

specific XML-type available, but no XML query functionality.

Secondary indexes

yes

SQL

Support of SQL

yes

standard with numerous extensions

APIs and other access methods

JDBC
ODBC

ADO.NET
JDBC
native C library
ODBC
streaming API for large objects

Supported programming languages

C
Java
Perl
Python
R

.Net
C
C++
Delphi
Java

JDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl

Server-side scripts

Stored procedures

yes

user defined functions

realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

partitioning by range, list and (since PostgreSQL 11) by hash

Replication methods

Methods for redundantly storing data on multiple nodes

Source-replica replication

other methods possible by using 3rd party extensions

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

User concepts

Access control

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

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pgDash: In-Depth PostgreSQL Monitoring.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources

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Recent citations in the news

Greenplum 6 ventures outside the analytic box
19 March 2019, ZDNet

What Is Greenplum Database? All You Need To Know
1 November 2022, scalegrid.io

Greenplum Database Configuration and Maintenance
26 May 2023, docs.vmware.com

Writing from Spark into Greenplum Database
26 May 2023, docs.vmware.com

Example - Accessing a Kerberos-Secured Greenplum Database Cluster
26 May 2023, docs.vmware.com

provided by Google News

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PostgreSQL 16 advances query parallelism
26 May 2023, InfoWorld

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31 May 2023, The New Stack

How to Migrate from Oracle to PostgreSQL
10 May 2023, hackernoon.com

MariaDB's Xpand offers PostgreSQL compatibility without the forking drama
10 May 2023, The Register

provided by Google News

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