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DBMS > Datomic vs. Google Cloud Spanner vs. Memgraph vs. Nebula Graph

Vergleich der Systemeigenschaften Datomic vs. Google Cloud Spanner vs. Memgraph vs. Nebula Graph

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Redaktionelle Informationen bereitgestellt von DB-Engines
NameDatomic  Xaus Vergleich ausschliessenGoogle Cloud Spanner  Xaus Vergleich ausschliessenMemgraph  Xaus Vergleich ausschliessenNebula Graph  Xaus Vergleich ausschliessen
KurzbeschreibungDBMS mit Fokus auf der Abspeicherung von historischen Daten und 'point-in-time queries'. Es verwendet Fremdsysteme zur Speicherung der DatenA horizontally scalable, globally consistent, relational database service. It is the externalization of the core Google database that runs the biggest aspects of Google, like Ads and Google Play.A hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleA distributed, linear scalable, high perfomant Graph DBMS
Primäres DatenbankmodellRelational DBMSRelational DBMSGraph DBMSGraph DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte2,94
Rang#101  Overall
#50  Relational DBMS
Punkte2,79
Rang#105  Overall
#52  Relational DBMS
Punkte0,10
Rang#303  Overall
#28  Graph DBMS
Punkte0,73
Rang#200  Overall
#18  Graph DBMS
Websitewww.datomic.comcloud.google.com/­spannermemgraph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
Technische Dokumentationdocs.datomic.comcloud.google.com/­spanner/­docsdocs.memgraph.comdocs.nebula-graph.io
EntwicklerCognitectGoogleMemgraph LtdVesoft Inc.
Erscheinungsjahr2012201720172019
Aktuelle Version0.9.5951, Juli 2019
Lizenz infoCommercial or Open Sourcekommerziell infoLimitierte Edition gratiskommerziellkommerziell infoFree license availableOpen Source infoApache Version 2.0 + Common Clause 1.0
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinjaneinnein
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ImplementierungsspracheJava, ClojureC und C++C++
Server BetriebssystemeAlle Betriebssysteme mit einer Java VMgehostetLinuxLinux
Datenschemajajaschemafrei und schema-optionalStrong typed schema
Typisierung infovordefinierte Datentypen, z.B. float oder datejajajaja
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinneinnein
Sekundärindizesjajaja 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 SQLneinja infoQuery statements complying to ANSI 2011neinSQL-like query language
APIs und andere ZugriffskonzepteRESTful HTTP APIgRPC (using protocol buffers) API
JDBC infoAt present, JDBC supports read-only queries. No support for DDL or DML statements.
RESTful HTTP API
Bolt protocol
Cypher query language
Browser interface
console (shell)
Proprietäres native API
Query language nGQL
Unterstützte ProgrammiersprachenClojure
Java
Go
Java
JavaScript (Node.js)
Python
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C++
Go
Java
Python
Server-seitige Scripts infoStored Proceduresja infoTransaction Functionsnein
TriggersBy using transaction functionsnein
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen Knotenkeine infoBut extensive use of caching in the application peersShardingSharding infodynamic graph partitioningSharding
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren Knotenkeine infoBut extensive use of caching in the application peersMulti-source replication with 3 replicas for regional instances.Multi-source replication using RAFTCausal Clustering using Raft protocol
MapReduce infoBietet ein API für Map/Reduce Operationenneinja infousing Google Cloud Dataflowneinnein
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Fremdschlüssel inforeferenzielle Integritätneinja infoby using interleaved tables, this features focuses more on performance improvements than on referential integrityja inforelationships in graphsja infoRelationships in graphs
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenACIDACID infoStrict serializable isolationACID infowith snapshot isolationACID
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajayes, multi-version concurrency control (MVCC)ja
Durability infoDauerhafte Speicherung der Datenja infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)jaja infowith periodic snapshot and write-ahead logging (WAL) of changesja infousing RocksDB
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenja inforecommended only for testing and developmentneinjaja
Berechtigungskonzept infoZugriffskontrolleneinAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)Users, roles and permissionsRole-based access control
Weitere Informationen bereitgestellt vom Systemhersteller
DatomicGoogle Cloud SpannerMemgraphNebula Graph
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» mehr
Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
» mehr
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» mehr
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» mehr
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» mehr
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» mehr
Neuigkeiten

Practicing Graph Computation with GraphX in Nebula Graph
19. November 2020

Exploring the S&P 100 Index Stocks Using Graph Machine Learning
12. November 2020

Pick of the Week at Nebula Graph - Nebula Graph Studio V1.2.1-beta Has Been Released
6. November 2020

Nebula Graph v2.0.0-alpha Release Note
2. November 2020

Debug the Nebula Graph Processes Inside the Docker Container
27. Oktober 2020

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Weitere Ressourcen
DatomicGoogle Cloud SpannerMemgraphNebula Graph
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