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DBMS > CrateDB vs. Firebase Realtime Database vs. LevelDB vs. Microsoft Azure Cosmos DB vs. NebulaGraph

Vergleich der Systemeigenschaften CrateDB vs. Firebase Realtime Database vs. LevelDB vs. Microsoft Azure Cosmos DB vs. NebulaGraph

Redaktionelle Informationen bereitgestellt von DB-Engines
NameCrateDB  Xaus Vergleich ausschliessenFirebase Realtime Database  Xaus Vergleich ausschliessenLevelDB  Xaus Vergleich ausschliessenMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xaus Vergleich ausschliessenNebulaGraph  Xaus Vergleich ausschliessen
KurzbeschreibungVerteilter Data Store basierend auf LuceneCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesGlobally distributed, horizontally scalable, multi-model database serviceA distributed, linear scalable, high perfomant Graph DBMS
Primäres DatenbankmodellDocument Store
Spatial DBMS
Suchmaschine
Time Series DBMS
Vektor DBMS
Document StoreKey-Value StoreDocument Store
Graph DBMS
Key-Value Store
Wide Column Store
Graph DBMS
Sekundäre DatenbankmodelleRelational DBMSSpatial DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte0,73
Rang#229  Overall
#37  Document Stores
#5  Spatial DBMS
#16  Suchmaschinen
#19  Time Series DBMS
#8  Vektor DBMS
Punkte15,00
Rang#39  Overall
#6  Document Stores
Punkte2,75
Rang#107  Overall
#19  Key-Value Stores
Punkte29,85
Rang#27  Overall
#4  Document Stores
#2  Graph DBMS
#3  Key-Value Stores
#3  Wide Column Stores
Punkte2,12
Rang#125  Overall
#10  Graph DBMS
Websitecratedb.comfirebase.google.com/­products/­realtime-databasegithub.com/­google/­leveldbazure.microsoft.com/­services/­cosmos-dbgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
Technische Dokumentationcratedb.com/­docsfirebase.google.com/­docs/­databasegithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdlearn.microsoft.com/­azure/­cosmos-dbdocs.nebula-graph.io
EntwicklerCrateGoogle infoacquired by Google 2014GoogleMicrosoftVesoft Inc.
Erscheinungsjahr20132012201120142019
Aktuelle Version1.23, Februar 2021
Lizenz infoCommercial or Open SourceOpen SourcekommerziellOpen Source infoBSDkommerziellOpen Source infoApache Version 2.0 + Common Clause 1.0
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinjaneinjanein
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
CrateDB Cloud: a distributed SQL database that spreads data and processing across an elastic cluster of shared nothing nodes. CrateDB Cloud enables data insights at scale on Microsoft Azure, AWS and Google Cloud Platform.
ImplementierungsspracheJavaC++C++
Server BetriebssystemeAll Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportgehostetIllumos
Linux
OS X
Windows
gehostetLinux
DatenschemaFlexible Schema (defined schema, partial schema, schema free)schemafreischemafreischemafreiStrong typed schema
Typisierung infovordefinierte Datentypen, z.B. float oder datejajaneinja infoJSON typesja
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinneinnein
Sekundärindizesjajaneinja infoAll properties auto-indexed by defaultja 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 SQLyes, but no triggers and constraints, and PostgreSQL compatibilityneinneinSQL-like query languageSQL-like query language
APIs und andere ZugriffskonzepteADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Android
iOS
JavaScript API
RESTful HTTP API
DocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietäres native API
Python Object Graph Mapper
Query language nGQL
Unterstützte Programmiersprachen.NET
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
R
Ruby infocommunity maintained client
Scala infocommunity maintained client
Java
JavaScript
Objective-C
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
.Net
C++
Go
Java
PHP
Python
Server-seitige Scripts infoStored Proceduresbenutzerdefinierte Funktionenlimited functionality with using 'rules'neinJavaScriptuser defined functions
TriggersneinCallbacks are triggered when data changesneinJavaScript
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenShardingkeineSharding infoImplizit im Cloud ServiceSharding
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenConfigurable replication on table/partition-levelkeineja infoImplizit im Cloud ServiceCausal Clustering using Raft protocol
MapReduce infoBietet ein API für Map/Reduce Operationenneinneinneinwith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*nein
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemEventual Consistency
Read-after-write consistency on record level
Eventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate ConsistencyBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Immediate Consistency
Fremdschlüssel inforeferenzielle Integritätneinneinneinneinja infoRelationships in graphs
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren Datenmanipulationennein infounique row identifiers can be used for implementing an optimistic concurrency control strategyjaneinMulti-item ACID transactions with snapshot isolation within a partitionACID
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajajaja
Durability infoDauerhafte Speicherung der Datenjajaja infowith automatic compression on writesjaja infousing RocksDB
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenneinja
Berechtigungskonzept infoZugriffskontrolleRechteverwaltung mit Benutzeraccountsyes, based on authentication and database rulesneinZugriffsrechte bis auf item level einstellbarRole-based access control
Weitere Informationen bereitgestellt vom Systemhersteller
CrateDBFirebase Realtime DatabaseLevelDBMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBNebulaGraph
Specific characteristicsThe enterprise database for time series, documents, and vectors. Distributed - Native...
» mehr
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» mehr
Competitive advantagesResponse time in milliseconds: e ven for complex ad-hoc queries. Massive scaling...
» mehr
NebulaGraph boasts the world's only graph database solution that is able to host...
» mehr
Typical application scenarios​ IoT: accelerate your IIoT projects with CrateDB, delivering real-time analytics...
» mehr
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» mehr
Key customersAcross all continents, CrateDB is used by companies of all sizes to meet the most...
» mehr
Companies from a variety of industries have implemented NebulaGraph Database in production,...
» mehr
Market metricsThe CrateDB open source project was started in 2013 Honorable Mention in 2021 Gartner®...
» mehr
At our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» mehr
Licensing and pricing modelsSee CrateDB pricing >
» mehr
NebulaGraph is open source and free to use under Apache 2.0 license.
» mehr

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Weitere Ressourcen
CrateDBFirebase Realtime DatabaseLevelDBMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBNebulaGraph
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