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DBMS > Greenplum vs. Riak KV vs. Rockset vs. SQream DB

System Properties Comparison Greenplum vs. Riak KV vs. Rockset vs. SQream DB

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonRiak KV  Xexclude from comparisonRockset  Xexclude from comparisonSQream DB  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.Distributed, fault tolerant key-value storeA scalable, reliable search and analytics service in the cloud, built on RocksDBa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelRelational DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexesDocument storeRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.08
Rank#48  Overall
#31  Relational DBMS
Score4.01
Rank#79  Overall
#9  Key-value stores
Score0.82
Rank#212  Overall
#36  Document stores
Score0.74
Rank#224  Overall
#103  Relational DBMS
Websitegreenplum.orgrockset.comsqream.com
Technical documentationdocs.greenplum.orgwww.tiot.jp/­riak-docs/­riak/­kv/­latestdocs.rockset.comdocs.sqream.com
DeveloperPivotal Software Inc.OpenSource, formerly Basho TechnologiesRocksetSQream Technologies
Initial release2005200920192017
Current release7.0.0, September 20233.2.0, December 20222022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2, commercial enterprise editioncommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++C++, CUDA, Haskell, Java, Scala
Server operating systemsLinuxLinux
OS X
hostedLinux
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnodynamic typingyes, ANSI Standard SQL Types
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 infoingestion from XML files supported
Secondary indexesyesrestrictedall fields are automatically indexedno
SQL infoSupport of SQLyesnoRead-only SQL queries, including JOINsyes
APIs and other access methodsJDBC
ODBC
HTTP API
Native Erlang Interface
HTTP REST.Net
JDBC
ODBC
Supported programming languagesC
Java
Perl
Python
R
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Go
Java
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyesErlangnouser defined functions in Python
Triggersyesyes infopre-commit hooks and post-commit hooksnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infono "single point of failure"Automatic shardinghorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationselectable replication factoryesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno infolinks between data sets can be storednono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlfine grained access rights according to SQL-standardyes, using Riak SecurityAccess rights for users and organizations can be defined via Rockset console

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More resources
GreenplumRiak KVRocksetSQream DB
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