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DBMS > Memcached vs. NebulaGraph vs. SQL.JS vs. STSdb

System Properties Comparison Memcached vs. NebulaGraph vs. SQL.JS vs. STSdb

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonNebulaGraph  Xexclude from comparisonSQL.JS  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingA distributed, linear scalable, high perfomant Graph DBMSPort of SQLite to JavaScriptKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelKey-value storeGraph DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score2.23
Rank#116  Overall
#10  Graph DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.10
Rank#357  Overall
#51  Key-value stores
Websitewww.memcached.orggithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
sql.js.orggithub.com/­STSSoft/­STSdb4
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.nebula-graph.iosql.js.org/­documentation/­index.html
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalVesoft Inc.Alon Zakai infoenhancements implemented by othersSTS Soft SC
Initial release2003201920122011
Current release1.6.27, May 20244.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoApache Version 2.0 + Common Clause 1.0Open SourceOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++JavaScriptC#
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)Windows
Data schemeschema-freeStrong typed schemayesyes
Typing infopredefined data types such as float or datenoyesyesyes infoprimitive types and user defined types (classes)
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.nono
Secondary indexesnoyes 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.no
SQL infoSupport of SQLnoSQL-like query languageyes infoSQL-92 is not fully supportedno
APIs and other access methodsProprietary protocolBrowser 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
JavaScript API.NET Client API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Go
Java
PHP
Python
JavaScriptC#
Java
Server-side scripts infoStored proceduresnouser defined functionsnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityCausal Clustering using Raft protocolnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integritynoyes infoRelationships in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyes infousing RocksDBno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolRole-based access controlnono
More information provided by the system vendor
MemcachedNebulaGraphSQL.JSSTSdb
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more

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MemcachedNebulaGraphSQL.JSSTSdb
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