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DBMS > DataFS vs. RocksDB vs. SQL.JS

System Properties Comparison DataFS vs. RocksDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonRocksDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Embeddable persistent key-value store optimized for fast storage (flash and RAM)Port of SQLite to JavaScript
Primary database modelObject oriented DBMSKey-value storeRelational DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#354  Overall
#15  Object oriented DBMS
Score3.65
Rank#85  Overall
#11  Key-value stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitenewdatabase.comrocksdb.orgsql.js.org
Technical documentationdev.mobiland.com/­Overview.xspgithub.com/­facebook/­rocksdb/­wikisql.js.org/­documentation/­index.html
DeveloperMobiland AGFacebook, Inc.Alon Zakai infoenhancements implemented by others
Initial release201820132012
Current release1.1.263, October 20228.11.4, April 2024
License infoCommercial or Open SourcecommercialOpen Source infoBSDOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaScript
Server operating systemsWindowsLinuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)schema-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.nonono
Secondary indexesnono
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supported
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
C++ API
Java API
JavaScript API
Supported programming languages.Net
C
C#
C++
VB.Net
C
C++
Go
Java
Perl
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresnono
Triggersno, except callback-events from server when changes happenedno
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemhorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlWindows-Profilenono

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Related products and services
3rd partiesSpeedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.
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More resources
DataFSRocksDBSQL.JS
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