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DBMS > Blazegraph vs. Cloudant vs. EXASOL vs. Microsoft Azure SQL Data Warehouse

System Properties Comparison Blazegraph vs. Cloudant vs. EXASOL vs. Microsoft Azure SQL Data Warehouse

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Editorial information provided by DB-Engines
NameBlazegraph  Xexclude from comparisonCloudant  Xexclude from comparisonEXASOL  Xexclude from comparisonMicrosoft Azure SQL Data Warehouse  Xexclude from comparison
Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
DescriptionHigh-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.Database as a Service offering based on Apache CouchDBHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server
Primary database modelGraph DBMS
RDF store
Document storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.64
Rank#189  Overall
#15  Graph DBMS
#8  RDF stores
Score3.45
Rank#82  Overall
#15  Document stores
Score3.04
Rank#87  Overall
#44  Relational DBMS
Score9.45
Rank#42  Overall
#26  Relational DBMS
Websiteblazegraph.comcloudant.comwww.exasol.com/­en/­productsazure.microsoft.com/­services/­sql-data-warehouse
Technical documentationwiki.blazegraph.comdocs.cloudant.comwww.exasol.com/­en/­community/­resourcesdocs.microsoft.com/­azure/­sql-data-warehouse
DeveloperBlazegraphIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014ExasolMicrosoft
Initial release2006201020002016
Current release2.1.4, August 2016
License infoCommercial or Open SourceOpen Source infoextended commercial license availablecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaErlangC++
Server operating systemsLinux
OS X
Windows
hostedhosted
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infoRDF literal typesnoyesyes
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 SQLSPARQL is used as query languagenoyesyes
APIs and other access methodsJava API
RESTful HTTP API
SPARQL QUERY
SPARQL UPDATE
TinkerPop 3
RESTful HTTP/JSON API.Net
JDBC
ODBC
WebSocket
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
C++
Java
JavaScript
PHP
Python
Ruby
C#
Java
JavaScript
Objective-C
PHP
Ruby
Java
Lua
Python
R
C#
Java
PHP
Server-side scripts infoStored proceduresyesView functions (Map-Reduce) in JavaScriptuser defined functionsTransact SQL
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardingSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesMaster-master replication
Master-slave replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes infoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infoRelationships in Graphsnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes 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.noyes
User concepts infoAccess controlSecurity and Authentication via Web Application Container (Tomcat, Jetty)Access rights for users can be defined per databaseAccess rights for users, groups and roles according to SQL-standardyes
More information provided by the system vendor
BlazegraphCloudantEXASOLMicrosoft Azure SQL Data Warehouse
News

Blazegraph 2.1.4 Release
29 August 2016

Blazegraph 2.1.2 Release
18 June 2016

Blazegraph 2.1.1 Release!
9 June 2016

Blazegraph 2.1.0 Release!
8 April 2016

Blazegraph 2.0.0 Release!
22 December 2015

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More resources
BlazegraphCloudantEXASOLMicrosoft Azure SQL Data Warehouse
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