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DBMS > Greenplum vs. openGauss vs. PouchDB

System Properties Comparison Greenplum vs. openGauss vs. PouchDB

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonopenGauss  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionAnalytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.An enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSRelational DBMSDocument store
Secondary database modelsDocument store
Spatial DBMS
Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.99
Rank#49  Overall
#31  Relational DBMS
Score1.38
Rank#177  Overall
#83  Relational DBMS
Score2.89
Rank#114  Overall
#22  Document stores
Websitegreenplum.orggitee.com/­opengauss
opengauss.org
pouchdb.com
Technical documentationdocs.greenplum.orgdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
pouchdb.com/­guides
DeveloperPivotal Software Inc.Huawei and openGauss communityApache Software Foundation
Initial release200520192012
Current release7.0.0, September 20233.0, March 20227.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, JavaJavaScript
Server operating systemsLinuxLinuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yes infosince Version 4.2nono
Secondary indexesyesyesyes infovia views
SQL infoSupport of SQLyesANSI SQL 2011no
APIs and other access methodsJDBC
ODBC
JDBC
ODBC
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesC
Java
Perl
Python
R
C
C++
Java
JavaScript
Server-side scripts infoStored proceduresyesyesView functions in JavaScript
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning (by range, list and hash)Sharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replicationMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardno

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More resources
GreenplumopenGaussPouchDB
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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Recent citations in the news

1. Introducing the Greenplum Database - Data Warehousing with Greenplum [Book]
6 December 2018, O'Reilly Media

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

Pivotal Takes Greenplum to the Cloud
14 September 2017, Datanami

EMC and Greenplum Dress Elephant for IT Parade
8 December 2011, WIRED

6. Monitoring and Managing Greenplum - Data Warehousing with Greenplum [Book]
6 December 2018, O'Reilly Media

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1 July 2020, Huawei

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12 October 2020, PR Newswire

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7 September 2016, SitePoint

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Offline-first web and mobile apps: Top frameworks and components
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RxDB 8.0.0, a reactive, offline-first, multiplatform database for JavaScript released!
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