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DBMS > Greenplum vs. Impala

System Properties Comparison Greenplum vs. Impala

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonImpala  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.Analytic DBMS for Hadoop
Primary database modelRelational DBMSRelational DBMS
Secondary database modelsDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score12.35
Rank#38  Overall
#23  Relational DBMS
Score14.82
Rank#36  Overall
#22  Relational DBMS
Websitepivotal.io/­pivotal-greenplumwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationgpdb.docs.pivotal.iowww.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperPivotal Software Inc.Cloudera
Initial release20052013
Current release5.10.0, July 20183.0.0, May 2018
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemsLinuxLinux
Data schemeyesyes
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.yes infosince Version 4.2no
Secondary indexesyesyes
SQL infoSupport of SQLyesSQL-like DML and DDL statements
APIs and other access methodsJDBC
ODBC
JDBC
ODBC
Supported programming languagesC
Java
Perl
Python
R
All languages supporting JDBC/ODBC
Server-side scripts infoStored proceduresyesyes infouser defined functions and integration of map-reduce
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoquery execution via MapReduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
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 controlfine grained access rights according to SQL-standardAccess rights for users, groups and roles infobased on Apache Sentry and Kerberos

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More resources
GreenplumImpala
Recent citations in the news

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

Pivotal Greenplum is alive and kicking
14 September 2017, ZDNet

Has the time finally come for PostgreSQL?
20 April 2018, ZDNet

Greenplum goes open source -- and a new cloud analytics star is born
28 April 2016, InfoWorld

Microsoft buys Citus Data
24 January 2019, ZDNet

provided by Google News

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Apache Impala Adds ODBC Scalar Functions
17 May 2018, iProgrammer

Apache Impala gets top-level status as open source Hadoop tool
1 December 2017, TechTarget

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

Cloudera, MapR, AtScale announce new releases at Strata
6 March 2018, ZDNet

provided by Google News

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