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DBMS > AlaSQL vs. Graphite vs. HEAVY.AI vs. RDFox vs. SpaceTime

System Properties Comparison AlaSQL vs. Graphite vs. HEAVY.AI vs. RDFox vs. SpaceTime

Editorial information provided by DB-Engines
NameAlaSQL  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
DescriptionJavaScript DBMS libraryData 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 modelDocument store
Relational DBMS
Time 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
Score0.41
Rank#262  Overall
#40  Document stores
#121  Relational DBMS
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
Websitealasql.orggithub.com/­graphite-project/­graphite-webgithub.com/­heavyai/­heavydb
www.heavy.ai
www.oxfordsemantic.techwww.mireo.com/­spacetime
Technical documentationgithub.com/­AlaSQL/­alasqlgraphite.readthedocs.iodocs.heavy.aidocs.oxfordsemantic.tech
DeveloperAndrey Gershun & Mathias R. WulffChris DavisHEAVY.AI, Inc.Oxford Semantic TechnologiesMireo
Initial release20142006201620172020
Current release5.10, January 20226.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache 2.0Open Source infoApache Version 2; enterprise edition availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptPythonC++ and CUDAC++C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
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.nononono
Secondary indexesnononono
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesnoA subset of ANSI SQL is implemented
APIs and other access methodsJavaScript APIHTTP API
Sockets
JDBC
ODBC
Thrift
Vega
RESTful HTTP API
SPARQL 1.1
RESTful HTTP API
Supported programming languagesJavaScriptJavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/Thrift
Python
C
Java
C#
C++
Python
Server-side scripts infoStored proceduresnononono
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infoRound robinFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneMulti-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 systemnonenoneImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenonoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infolockingyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlnonofine grained access rights according to SQL-standardRoles, resources, and access typesyes

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