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DBMS > Microsoft Azure SQL Database vs. Riak KV vs. Sadas Engine

System Properties Comparison Microsoft Azure SQL Database vs. Riak KV vs. Sadas Engine

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Editorial information provided by DB-Engines
NameMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonRiak KV  Xexclude from comparisonSadas Engine  Xexclude from comparison
DescriptionDatabase as a Service offering with high compatibility to Microsoft SQL ServerDistributed, fault tolerant key-value storeSADAS Engine is a columnar DBMS specifically designed for high performance in Data warehouse environments
Primary database modelRelational DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexesRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score75.22
Rank#15  Overall
#10  Relational DBMS
Score5.10
Rank#68  Overall
#9  Key-value stores
Score0.00
Rank#354  Overall
#143  Relational DBMS
Websiteazure.microsoft.com/­en-us/­services/­sql-databaseriak.com/­products/­riak-kvwww.sadasengine.com
Technical documentationdocs.microsoft.com/­en-us/­azure/­azure-sqlwww.sadasengine.com/­index.php/­downloads/­documentation-columnar-db
DeveloperMicrosoftBasho TechnologiesSADAS s.r.l.
Initial release201020092006
Current releaseV122.1.0, April 20158.0
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2, commercial enterprise editioncommercial infofree trial version available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++ErlangC++
Server operating systemshostedLinux
OS X
AIX
Linux
Windows
Data schemeyesschema-freeyes
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.yesnono
Secondary indexesyesrestrictedyes
SQL infoSupport of SQLyesnoyes
APIs and other access methodsADO.NET
JDBC
ODBC
HTTP API
Native Erlang Interface
JDBC
ODBC
Proprietary protocol
Supported programming languages.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
.Net
C
C#
C++
Groovy
Java
PHP
Python
Server-side scripts infoStored proceduresTransact SQLJavaScript and Erlangno
Triggersyesyes infopre-commit hooks and post-commit hooksno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with always 3 replicas availableselectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno infolinks between data sets can be storedyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yes infomanaged by 'Learn by Usage'
User concepts infoAccess controlfine grained access rights according to SQL-standardnoAccess rights for users, groups and roles according to SQL-standard

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More resources
Microsoft Azure SQL Database infoformerly SQL AzureRiak KVSadas Engine
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Recent citations in the news

Scale Out Your Databases with Azure SQL Hyperscale Named Replicas - Microsoft
22 July 2021, Channel 9

Microsoft launches Azure Arc-enabled SQL in general availability
29 June 2021, VentureBeat

Track and Record Data Changes with Change Data Capture (CDC) in Azure SQL - Microsoft
1 July 2021, Channel 9

Azure Arc-Enabled SQL Managed Instance Reaching GA Next Month
30 June 2021, Redmondmag.com

So You Need To Move Off SQL Server 2016
20 July 2021, Redmondmag.com

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1 July 2019, Analytics India Magazine

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17 September 2014, InformationWeek

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5 May 2016, TechCrunch

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23 December 2011, InfoQ.com

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