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DBMS > Dgraph vs. LokiJS vs. NuoDB vs. openGemini vs. Snowflake

System Properties Comparison Dgraph vs. LokiJS vs. NuoDB vs. openGemini vs. Snowflake

Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonLokiJS  Xexclude from comparisonNuoDB  Xexclude from comparisonopenGemini  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionDistributed and scalable native Graph DBMSIn-memory JavaScript DBMSNuoDB is a webscale distributed database that supports SQL and ACID transactionsAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityCloud-based data warehousing service for structured and semi-structured data
Primary database modelGraph DBMSDocument storeRelational DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Score121.33
Rank#9  Overall
#6  Relational DBMS
Websitedgraph.iogithub.com/­techfort/­LokiJSwww.3ds.com/­nuodb-distributed-sql-databasewww.opengemini.org
github.com/­openGemini
www.snowflake.com
Technical documentationdgraph.io/­docstechfort.github.io/­LokiJSdoc.nuodb.comdocs.opengemini.org/­guidedocs.snowflake.net/­manuals/­index.html
DeveloperDgraph Labs, Inc.Dassault Systèmes infooriginally NuoDB, Inc.Huawei and openGemini communitySnowflake Computing Inc.
Initial release20162014201320222014
Current release1.1, July 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Sourcecommercial infolimited edition freeOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaScriptC++Go
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Windows
hosted
Data schemeschema-freeschema-freeyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesnoyesInteger, Float, Boolean, Stringyes
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.nonononoyes
Secondary indexesyesyes infovia viewsyesyes
SQL infoSupport of SQLnonoyesSQL-like query languageyes
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JavaScript APIADO.NET
JDBC
ODBC
HTTP RESTCLI Client
JDBC
ODBC
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
JavaScript.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptJava, SQLnouser defined functions
Triggersnoyesyesnono infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesyesnonedata is dynamically stored/cached on the nodes where it is read/writtenShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via Raftnoneyes infoManaged transparently by NuoDByesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleACID infotunable commit protocolnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tableyesno
User concepts infoAccess controlno infoPlanned for future releasesnoStandard SQL roles/ privileges, Administrative UsersAdministrators and common users accountsUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
DgraphLokiJSNuoDBopenGeminiSnowflake
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