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DBMS > Greenplum vs. NSDb vs. SQream DB vs. SWC-DB

System Properties Comparison Greenplum vs. NSDb vs. SQream DB vs. SWC-DB

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonNSDb  Xexclude from comparisonSQream DB  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  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.Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetesa GPU-based, columnar RDBMS for big data analytics workloadsA high performance, scalable Wide Column DBMS
Primary database modelRelational DBMSTime Series DBMSRelational DBMSWide column store
Secondary database modelsDocument store
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.08
Rank#48  Overall
#31  Relational DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.08
Rank#364  Overall
#13  Wide column stores
Websitegreenplum.orgnsdb.iosqream.comgithub.com/­kashirin-alex/­swc-db
www.swcdb.org
Technical documentationdocs.greenplum.orgnsdb.io/­Architecturedocs.sqream.com
DeveloperPivotal Software Inc.SQream TechnologiesAlex Kashirin
Initial release2005201720172020
Current release7.0.0, September 20232022.1.6, December 20220.5, April 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2.0commercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ScalaC++, CUDA, Haskell, Java, ScalaC++
Server operating systemsLinuxLinux
macOS
LinuxLinux
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringyes, 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
Secondary indexesyesall fields are automatically indexedno
SQL infoSupport of SQLyesSQL-like query languageyesSQL-like query language
APIs and other access methodsJDBC
ODBC
gRPC
HTTP REST
WebSocket
.Net
JDBC
ODBC
Proprietary protocol
Thrift
Supported programming languagesC
Java
Perl
Python
R
Java
Scala
C++
Java
JavaScript (Node.js)
Python
C++
Server-side scripts infoStored proceduresyesnouser defined functions in Pythonno
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyesyes
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-standard

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More resources
GreenplumNSDbSQream DBSWC-DB infoSuper Wide Column Database
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