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DBMS > Apache Phoenix vs. BoltDB vs. Greenplum vs. IBM Cloudant vs. IBM Db2

System Properties Comparison Apache Phoenix vs. BoltDB vs. Greenplum vs. IBM Cloudant vs. IBM Db2

Editorial information provided by DB-Engines
NameApache Phoenix  Xexclude from comparisonBoltDB  Xexclude from comparisonGreenplum  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparison
DescriptionA scale-out RDBMS with evolutionary schema built on Apache HBaseAn embedded key-value store for Go.Analytic 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.Database as a Service offering based on Apache CouchDBCommon in IBM host environments, 2 different versions for host and Windows/Linux
Primary database modelRelational DBMSKey-value storeRelational DBMSDocument storeRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDB
Secondary database modelsDocument store
Spatial DBMS
Document store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.06
Rank#123  Overall
#58  Relational DBMS
Score0.80
Rank#215  Overall
#31  Key-value stores
Score8.08
Rank#48  Overall
#31  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Score125.90
Rank#9  Overall
#6  Relational DBMS
Websitephoenix.apache.orggithub.com/­boltdb/­boltgreenplum.orgwww.ibm.com/­products/­cloudantwww.ibm.com/­products/­db2
Technical documentationphoenix.apache.orgdocs.greenplum.orgcloud.ibm.com/­docs/­Cloudantwww.ibm.com/­docs/­en/­db2
DeveloperApache Software FoundationPivotal Software Inc.IBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014IBM
Initial release20142013200520101983 infohost version
Current release5.0-HBase2, July 2018 and 4.15-HBase1, December 20197.0.0, September 202312.1, October 2016
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoMIT LicenseOpen Source infoApache 2.0commercialcommercial infofree version is available
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaGoErlangC and C++
Server operating systemsLinux
Unix
Windows
BSD
Linux
OS X
Solaris
Windows
LinuxhostedAIX
HP-UX
Linux
Solaris
Windows
z/OS
Data schemeyes infolate-bound, schema-on-read capabilitiesschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesnoyes
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.nonoyes infosince Version 4.2no
Secondary indexesyesnoyesyesyes
SQL infoSupport of SQLyesnoyesnoyes
APIs and other access methodsJDBCJDBC
ODBC
RESTful HTTP/JSON APIADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
Supported programming languagesC
C#
C++
Go
Groovy
Java
PHP
Python
Scala
GoC
Java
Perl
Python
R
C#
Java
JavaScript
Objective-C
PHP
Ruby
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
Server-side scripts infoStored proceduresuser defined functionsnoyesView functions (Map-Reduce) in JavaScriptyes
Triggersnonoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingShardingSharding infoonly with Windows/Unix/Linux Version
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
noneSource-replica replicationMulti-source replication
Source-replica replication
yes infowith separate tools (MQ, InfoSphere)
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual ConsistencynoneImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesACIDno infoatomic operations within a document possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoOptimistic lockingyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonono
User concepts infoAccess controlAccess Control Lists (using HBase ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC, multi-tenancynofine grained access rights according to SQL-standardAccess rights for users can be defined per databasefine grained access rights according to SQL-standard

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More resources
Apache PhoenixBoltDBGreenplumIBM CloudantIBM Db2 infoformerly named DB2 or IBM Database 2
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