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DBMS > Blueflood vs. CouchDB vs. RDFox vs. ToroDB vs. YottaDB

System Properties Comparison Blueflood vs. CouchDB vs. RDFox vs. ToroDB vs. YottaDB

Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonRDFox  Xexclude from comparisonToroDB  Xexclude from comparisonYottaDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionScalable TimeSeries DBMS based on CassandraA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.High performance knowledge graph and semantic reasoning engineA MongoDB-compatible JSON document store, built on top of PostgreSQLA fast and solid embedded Key-value store
Primary database modelTime Series DBMSDocument storeGraph DBMS
RDF store
Document storeKey-value store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionRelational DBMSRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score8.30
Rank#47  Overall
#7  Document stores
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.28
Rank#306  Overall
#44  Key-value stores
Websiteblueflood.iocouchdb.apache.orgwww.oxfordsemantic.techgithub.com/­torodb/­serveryottadb.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikidocs.couchdb.org/­en/­stabledocs.oxfordsemantic.techyottadb.com/­resources/­documentation
DeveloperRackspaceApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerOxford Semantic Technologies8KdataYottaDB, LLC
Initial release20132005201720162001
Current release3.3.3, December 20236.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2commercialOpen Source infoAGPL-V3Open Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaErlangC++JavaC
Server operating systemsLinux
OS X
Android
BSD
Linux
OS X
Solaris
Windows
Linux
macOS
Windows
All OS with a Java 7 VMDocker
Linux
Data schemepredefined schemeschema-freeyes infoRDF schemasschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesyes infostring, integer, double, boolean, date, object_idno
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 indexesnoyes infovia viewsno
SQL infoSupport of SQLnononoby using the Octo plugin
APIs and other access methodsHTTP RESTRESTful HTTP/JSON APIRESTful HTTP API
SPARQL 1.1
PostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C
Java
C
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnoView functions in JavaScript
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding infoimproved architecture with release 2.0Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraMulti-source replication
Source-replica replication
replication via a shared file systemSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possibleACIDnooptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic 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.nonoyesyes
User concepts infoAccess controlnoAccess rights for users can be defined per databaseRoles, resources, and access typesAccess rights for users and rolesUsers and groups based on OS-security mechanisms

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More resources
BluefloodCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"RDFoxToroDBYottaDB
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