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DBMS > FatDB vs. Kyligence Enterprise vs. OpenMLDB vs. OushuDB

System Properties Comparison FatDB vs. Kyligence Enterprise vs. OpenMLDB vs. OushuDB

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Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonKyligence Enterprise  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOushuDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA .NET NoSQL DBMS that can integrate with and extend SQL Server.A distributed analytics engine for big data, built on top of Apache KylinAn open-source machine learning database that provides a feature platform for training and inferenceA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelDocument store
Key-value store
Relational DBMSTime Series DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#259  Overall
#118  Relational DBMS
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score0.05
Rank#357  Overall
#151  Relational DBMS
Websitekyligence.io/­kyligence-enterpriseopenmldb.aiwww.oushu.com/­product/­oushuDB
Technical documentationopenmldb.ai/­docs/­zh/­mainwww.oushu.com/­documentation
DeveloperFatCloudKyligence, Inc.4 Paradigm Inc.Oushu
Initial release201220162020
Current release2024-2 February 20244.0.1, August 2020
License infoCommercial or Open SourcecommercialcommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#JavaC++, Java, Scala
Server operating systemsWindowsLinuxLinuxLinux
Data schemeschema-freeyesFixed schemayes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLno infoVia inetgration in SQL ServerANSI SQL for queries (using Apache Calcite)yesFull-featured ANSI SQL support
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JDBC
ODBC
RESTful HTTP API
JDBC
SQLAlchemy
JDBC
ODBC
Supported programming languagesC#C++
Go
Java
Python
Scala
C
C++
Server-side scripts infoStored proceduresyes infovia applicationsnoyes
Triggersyes infovia applicationsnoyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
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.noyes
User concepts infoAccess controlno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardKerberos, SSL and role based access

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More resources
FatDBKyligence EnterpriseOpenMLDBOushuDB
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