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DBMS > HyperSQL vs. IBM Cloudant vs. OpenMLDB

System Properties Comparison HyperSQL vs. IBM Cloudant vs. OpenMLDB

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Editorial information provided by DB-Engines
NameHyperSQL infoalso known as HSQLDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBDatabase as a Service offering based on Apache CouchDBAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelRelational DBMSDocument storeTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Websitehsqldb.orgwww.ibm.com/­products/­cloudantopenmldb.ai
Technical documentationhsqldb.org/­web/­hsqlDocsFrame.htmlcloud.ibm.com/­docs/­Cloudantopenmldb.ai/­docs/­zh/­main
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 20144 Paradigm Inc.
Initial release200120102020
Current release2.7.2, June 20232024-2 February 2024
License infoCommercial or Open SourceOpen Source infobased on BSD licensecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaErlangC++, Java, Scala
Server operating systemsAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modeshostedLinux
Data schemeyesschema-freeFixed schema
Typing infopredefined data types such as float or dateyesnoyes
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnoyes
APIs and other access methodsHTTP API infoJDBC via HTTP
JDBC
ODBC
RESTful HTTP/JSON APIJDBC
SQLAlchemy
Supported programming languagesAll languages supporting JDBC/ODBC
Java
C#
Java
JavaScript
Objective-C
PHP
Ruby
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresJava, SQLView functions (Map-Reduce) in JavaScriptno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
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 datayesyes infoOptimistic lockingyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlfine 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
HyperSQL infoalso known as HSQLDBIBM CloudantOpenMLDB
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