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DBMS > Druid vs. Greenplum

System Properties Comparison Druid vs. Greenplum

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Editorial information provided by DB-Engines
NameDruid  Xexclude from comparisonGreenplum  Xexclude from comparison
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries dataAnalytic 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.
Primary database modelRelational DBMS
Time Series DBMS
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.73
Rank#111  Overall
#55  Relational DBMS
#7  Time Series DBMS
Score11.96
Rank#39  Overall
#24  Relational DBMS
Websitedruid.iopivotal.io/­pivotal-greenplum
Technical documentationdruid.io/­docs/­latest/­design/­index.htmlgpdb.docs.pivotal.io
DeveloperMetamarkets Group and contributorsPivotal Software Inc.
Initial release20122005
Current release5.10.0, July 2018
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsLinux
OS X
Unix
Linux
Data schemeyes infoschema-less columns are supportedyes
Typing infopredefined data types such as float or dateyesyes
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.noyes infosince Version 4.2
Secondary indexesyesyes
SQL infoSupport of SQLSQL support via Apache Calcite adapteryes
APIs and other access methodsJSON over HTTPJDBC
ODBC
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C
Java
Perl
Python
R
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlno infoavailable via extensionsfine grained access rights according to SQL-standard

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More resources
DruidGreenplum
Recent citations in the news

Imply launches with $2M to commercialize the Druid open-source data store
19 October 2015, VentureBeat

What's Behind Lyft's Choices in Big Data Tech
10 May 2019, Datanami

Hadoop Creator Yahoo Finds It's Not Enough, Turns to Druid
30 July 2015, ADT Magazine

Yahoo Casts Real-Time OLAP Queries with Druid
4 August 2015, Datanami

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24 September 2018, HPCwire

provided by Google News

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

Greenplum goes open source -- and a new cloud analytics star is born
29 October 2015, InfoWorld

Pivotal Takes Greenplum to the Cloud
14 September 2017, Datanami

Pivotal Greenplum Analytic Database Adds Multicloud Support
18 September 2017, SDxCentral

Pivotal, Gravitational, and Google Water Kubernetes Expansion - S
25 March 2019, SDxCentral

provided by Google News

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