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DBMS > BoltDB vs. DataFS vs. NebulaGraph

System Properties Comparison BoltDB vs. DataFS vs. NebulaGraph

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Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonDataFS  Xexclude from comparisonNebulaGraph  Xexclude from comparison
DescriptionAn embedded key-value store for Go.All 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.A distributed, linear scalable, high perfomant Graph DBMS
Primary database modelKey-value storeObject oriented DBMSGraph DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.58
Rank#235  Overall
#33  Key-value stores
Score0.00
Rank#382  Overall
#20  Object oriented DBMS
Score1.61
Rank#136  Overall
#11  Graph DBMS
Websitegithub.com/­boltdb/­boltnewdatabase.comgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
Technical documentationdev.mobiland.com/­Overview.xspdocs.nebula-graph.io
DeveloperMobiland AGVesoft Inc.
Initial release201320182019
Current release1.1.263, October 2022
License infoCommercial or Open SourceOpen Source infoMIT LicensecommercialOpen Source infoApache Version 2.0 + Common Clause 1.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC++
Server operating systemsBSD
Linux
OS X
Solaris
Windows
WindowsLinux
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)Strong typed schema
Typing infopredefined data types such as float or datenoyesyes
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 indexesnonoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.
SQL infoSupport of SQLnonoSQL-like query language
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
Supported programming languagesGo.Net
C
C#
C++
VB.Net
.Net
C++
Go
Java
PHP
Python
Server-side scripts infoStored proceduresnouser defined functions
Triggersnono, except callback-events from server when changes happened
Partitioning methods infoMethods for storing different data on different nodesnoneProprietary Sharding systemSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlnoWindows-ProfileRole-based access control

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More resources
BoltDBDataFSNebulaGraph
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