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DBMS > Amazon SimpleDB vs. Graphite vs. HEAVY.AI vs. RDFox vs. SpaceTime

System Properties Comparison Amazon SimpleDB vs. Graphite vs. HEAVY.AI vs. RDFox vs. SpaceTime

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonGraphite  Xexclude from comparisonHEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022  Xexclude from comparisonRDFox  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreData logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperA high performance, column-oriented RDBMS, specifically developed to harness the massive parallelism of modern CPU and GPU hardwareHigh performance knowledge graph and semantic reasoning engineSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelKey-value storeTime Series DBMSRelational DBMSGraph DBMS
RDF store
Spatial DBMS
Secondary database modelsSpatial DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.83
Rank#131  Overall
#23  Key-value stores
Score5.00
Rank#63  Overall
#4  Time Series DBMS
Score1.40
Rank#153  Overall
#71  Relational DBMS
Score0.23
Rank#296  Overall
#24  Graph DBMS
#13  RDF stores
Score0.00
Rank#388  Overall
#7  Spatial DBMS
Websiteaws.amazon.com/­simpledbgithub.com/­graphite-project/­graphite-webgithub.com/­heavyai/­heavydb
www.heavy.ai
www.oxfordsemantic.techwww.mireo.com/­spacetime
Technical documentationdocs.aws.amazon.com/­simpledbgraphite.readthedocs.iodocs.heavy.aidocs.oxfordsemantic.tech
DeveloperAmazonChris DavisHEAVY.AI, Inc.Oxford Semantic TechnologiesMireo
Initial release20072006201620172020
Current release5.10, January 20226.0, Septermber 2022
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoApache Version 2; enterprise edition availablecommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languagePythonC++ and CUDAC++C++
Server operating systemshostedLinux
Unix
LinuxLinux
macOS
Windows
Linux
Data schemeschema-freeyesyesyes infoRDF schemasyes
Typing infopredefined data types such as float or datenoNumeric data onlyyesyesyes
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 indexesyes infoAll columns are indexed automaticallynonono
SQL infoSupport of SQLnonoyesnoA subset of ANSI SQL is implemented
APIs and other access methodsRESTful HTTP APIHTTP API
Sockets
JDBC
ODBC
Thrift
Vega
RESTful HTTP API
SPARQL 1.1
RESTful HTTP API
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/Thrift
Python
C
Java
C#
C++
Python
Server-side scripts infoStored proceduresnononono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnoneSharding infoRound robinFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneMulti-source replicationreplication via a shared file systemReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
noneImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationnonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes infolockingyesyes
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.yesyesno
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)nofine grained access rights according to SQL-standardRoles, resources, and access typesyes

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More resources
Amazon SimpleDBGraphiteHEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022RDFoxSpaceTime
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