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DBMS > FatDB vs. Galaxybase vs. OpenMLDB vs. XTDB

System Properties Comparison FatDB vs. Galaxybase vs. OpenMLDB vs. XTDB

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Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonGalaxybase  Xexclude from comparisonOpenMLDB  Xexclude from comparisonXTDB infoformerly named Crux  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.Scalable, ACID-compliant native distributed parallel graph platformAn open-source machine learning database that provides a feature platform for training and inferenceA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelDocument store
Key-value store
Graph DBMSTime Series DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#377  Overall
#40  Graph DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitegalaxybase.comopenmldb.aigithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationopenmldb.ai/­docs/­zh/­mainwww.xtdb.com/­docs
DeveloperFatCloudChuanglin(Createlink) Technology Co., Ltd 浙江创邻科技有限公司4 Paradigm Inc.Juxt Ltd.
Initial release2012201720202019
Current releaseNov 20, November 20212024-2 February 20241.19, September 2021
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#C and JavaC++, Java, ScalaClojure
Server operating systemsWindowsLinuxLinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeStrong typed schemaFixed schemaschema-free
Typing infopredefined data types such as float or dateyesyesyesyes, extensible-data-notation format
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 indexesyesyesyesyes
SQL infoSupport of SQLno infoVia inetgration in SQL Servernoyeslimited SQL, making use of Apache Calcite
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Browser interface
console (shell)
Graph API (Gremlin)
OpenCypher
Proprietary native API
JDBC
SQLAlchemy
HTTP REST
JDBC
Supported programming languagesC#Go
Java
Python
C++
Go
Java
Python
Scala
Clojure
Java
Server-side scripts infoStored proceduresyes infovia applicationsuser defined procedures and functionsnono
Triggersyes infovia applicationsnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorSource-replica replicationyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlno infoCan implement custom security layer via applicationsRole-based access controlfine grained access rights according to SQL-standard

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More resources
FatDBGalaxybaseOpenMLDBXTDB infoformerly named Crux
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