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DBMS > NebulaGraph vs. XTDB

System Properties Comparison NebulaGraph vs. XTDB

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Editorial information provided by DB-Engines
NameNebulaGraph  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA distributed, linear scalable, high perfomant Graph DBMSA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelGraph DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.14
Rank#186  Overall
#16  Graph DBMS
Score0.23
Rank#314  Overall
#45  Document stores
Websitegithub.com/­vesoft-inc/­nebula
nebula-graph.io
github.com/­xtdb/­xtdb
xtdb.com
Technical documentationdocs.nebula-graph.ioxtdb.com/­docs
DeveloperVesoft Inc.Juxt Ltd.
Initial release20192019
Current release1.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Clojure
Server operating systemsLinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeStrong typed schemaschema-free
Typing infopredefined data types such as float or dateyesyes, extensible-data-notation format
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 indexesyes 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.yes
SQL infoSupport of SQLSQL-like query languagelimited SQL, making use of Apache Calcite
APIs and other access methodsBrowser interface
console (shell)
Proprietary native API
Query language nGQL
HTTP REST
JDBC
Supported programming languagesC++
Go
Java
Python
Clojure
Java
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocolyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing RocksDByes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlRole-based access control
More information provided by the system vendor
NebulaGraphXTDB infoformerly named Crux
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 customersCurrently we have some top internet companies in China implementing NebulaGraph in...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 8,200 stars and thousands...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more

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More resources
NebulaGraphXTDB infoformerly named Crux
Recent citations in the news

NebulaGraph Completes Series A to Scale Its Distributed Graph Database
16 September 2022, Datanami

News from the week beginning 12th September 2022 -
20 September 2022, Enterprise Times

provided by Google News



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