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DBMS > H2GIS vs. IBM Cloudant vs. OpenMLDB vs. Tkrzw

System Properties Comparison H2GIS vs. IBM Cloudant vs. OpenMLDB vs. Tkrzw

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonOpenMLDB  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionSpatial extension of H2Database as a Service offering based on Apache CouchDBAn open-source machine learning database that provides a feature platform for training and inferenceA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelSpatial DBMSDocument storeTime Series DBMSKey-value store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score2.68
Rank#106  Overall
#20  Document stores
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.00
Rank#383  Overall
#60  Key-value stores
Websitewww.h2gis.orgwww.ibm.com/­products/­cloudantopenmldb.aidbmx.net/­tkrzw
Technical documentationwww.h2gis.org/­docs/­homecloud.ibm.com/­docs/­Cloudantopenmldb.ai/­docs/­zh/­main
DeveloperCNRSIBM, Apache Software Foundation infoIBM acquired Cloudant in February 20144 Paradigm Inc.Mikio Hirabayashi
Initial release2013201020202020
Current release2024-2 February 20240.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoLGPL 3.0commercialOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaErlangC++, Java, ScalaC++
Server operating systemshostedLinuxLinux
macOS
Data schemeyesschema-freeFixed schemaschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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.nononono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnoyesno
APIs and other access methodsRESTful HTTP/JSON APIJDBC
SQLAlchemy
Supported programming languagesJavaC#
Java
JavaScript
Objective-C
PHP
Ruby
C++
Go
Java
Python
Scala
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresyes infobased on H2View functions (Map-Reduce) in JavaScriptnono
Triggersyesyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2Multi-source replication
Source-replica replication
Source-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes infoOptimistic lockingyesyes
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.yesnoyesyes infousing specific database classes
User concepts infoAccess controlyes infobased on H2Access rights for users can be defined per databasefine grained access rights according to SQL-standardno

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More resources
H2GISIBM CloudantOpenMLDBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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