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DBMS > Riak KV vs. SAP HANA vs. STSdb vs. VelocityDB

System Properties Comparison Riak KV vs. SAP HANA vs. STSdb vs. VelocityDB

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Editorial information provided by DB-Engines
NameRiak KV  Xexclude from comparisonSAP HANA  Xexclude from comparisonSTSdb  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed, fault tolerant key-value storeIn-memory, column based data store. Available as appliance or cloud serviceKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value store infowith links between data sets and object tags for the creation of secondary indexesRelational DBMSKey-value storeGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Graph DBMS infowith SAP Hana, Enterprise Edition
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.01
Rank#79  Overall
#9  Key-value stores
Score44.27
Rank#23  Overall
#16  Relational DBMS
Score0.10
Rank#357  Overall
#51  Key-value stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.sap.com/­products/­hana.htmlgithub.com/­STSSoft/­STSdb4velocitydb.com
Technical documentationwww.tiot.jp/­riak-docs/­riak/­kv/­latesthelp.sap.com/­hanavelocitydb.com/­UserGuide
DeveloperOpenSource, formerly Basho TechnologiesSAPSTS Soft SCVelocityDB Inc
Initial release2009201020112011
Current release3.2.0, December 20222.0 SPS07 (AprilĀ 4, 2023), April 20234.0.8, September 20157.x
License infoCommercial or Open SourceOpen Source infoApache version 2, commercial enterprise editioncommercialOpen Source infoGPLv2, commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenono infoalso available as a cloud based servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC#C#
Server operating systemsLinux
OS X
Appliance or cloud-serviceWindowsAny that supports .NET
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or datenoyesyes infoprimitive types and user defined types (classes)yes
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 indexesrestrictedyesnoyes
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP API
Native Erlang Interface
JDBC
ODBC
.NET Client API.Net
Supported programming languagesC 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
C#
Java
.Net
Server-side scripts infoStored proceduresErlangSQLScript, Rnono
Triggersyes infopre-commit hooks and post-commit hooksyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"yesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infolinks between data sets can be storedyesnono
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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes, using Riak SecurityyesnoBased on Windows Authentication

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More resources
Riak KVSAP HANASTSdbVelocityDB
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