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DBMS > CrateDB vs. KeyDB vs. Lovefield vs. NebulaGraph vs. Realm

Vergleich der Systemeigenschaften CrateDB vs. KeyDB vs. Lovefield vs. NebulaGraph vs. Realm

Redaktionelle Informationen bereitgestellt von DB-Engines
NameCrateDB  Xaus Vergleich ausschliessenKeyDB  Xaus Vergleich ausschliessenLovefield  Xaus Vergleich ausschliessenNebulaGraph  Xaus Vergleich ausschliessenRealm  Xaus Vergleich ausschliessen
KurzbeschreibungVerteilter Data Store basierend auf LuceneAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsEmbeddable relational database for web apps written in pure JavaScriptA distributed, linear scalable, high perfomant Graph DBMSA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primäres DatenbankmodellDocument Store
Spatial DBMS
Suchmaschine
Time Series DBMS
Vektor DBMS
Key-Value StoreRelational DBMSGraph DBMSDocument Store
Sekundäre DatenbankmodelleRelational DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte0,73
Rang#224  Overall
#37  Document Stores
#5  Spatial DBMS
#16  Suchmaschinen
#19  Time Series DBMS
#8  Vektor DBMS
Punkte0,71
Rang#226  Overall
#33  Key-Value Stores
Punkte0,29
Rang#293  Overall
#133  Relational DBMS
Punkte2,14
Rang#120  Overall
#10  Graph DBMS
Punkte7,60
Rang#52  Overall
#9  Document Stores
Websitecratedb.comgithub.com/­Snapchat/­KeyDB
keydb.dev
google.github.io/­lovefieldgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
realm.io
Technische Dokumentationcratedb.com/­docsdocs.keydb.devgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mddocs.nebula-graph.iorealm.io/­docs
EntwicklerCrateEQ Alpha Technology Ltd.GoogleVesoft Inc.Realm, acquired by MongoDB in May 2019
Erscheinungsjahr20132019201420192014
Aktuelle Version2.1.12, February 2017
Lizenz infoCommercial or Open SourceOpen SourceOpen Source infoBSD-3Open Source infoApache 2.0Open Source infoApache Version 2.0 + Common Clause 1.0Open Source
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinneinneinneinnein
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++JavaScriptC++
Server BetriebssystemeAll Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportLinuxserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinuxAndroid
Backend: serverlos
iOS
Windows
DatenschemaFlexible Schema (defined schema, partial schema, schema free)schemafreijaStrong typed schemaja
Typisierung infovordefinierte Datentypen, z.B. float oder datejateilweise infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesjajaja
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinneinneinnein
Sekundärindizesjaja infoby using the Redis Search modulejaja 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.ja
SQL infoSupport of SQLyes, but no triggers and constraints, and PostgreSQL compatibilityneinSQL-like query language infovia JavaScript builder patternSQL-like query languagenein
APIs und andere ZugriffskonzepteADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Proprietäres Protokoll infoRESP - REdis Serialization ProtocoBrowser 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
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
JavaScript.Net
C++
Go
Java
PHP
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-seitige Scripts infoStored Proceduresbenutzerdefinierte FunktionenLuaneinuser defined functionsnein inforuns within the applications so server-side scripts are unnecessary
TriggersneinneinUsing read-only observersja infoChange Listeners
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenShardingShardingkeineShardingkeine
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenConfigurable replication on table/partition-levelMulti-Source Replikation
Source-Replica Replikation
keineCausal Clustering using Raft protocolkeine
MapReduce infoBietet ein API für Map/Reduce Operationenneinneinneinneinnein
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemEventual Consistency
Read-after-write consistency on record level
Eventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate Consistency
Fremdschlüssel inforeferenzielle Integritätneinneinjaja infoRelationships in graphsnein
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren Datenmanipulationennein infounique row identifiers can be used for implementing an optimistic concurrency control strategyOptimistic locking, atomic execution of commands blocks and scriptsACIDACIDACID
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajaja
Durability infoDauerhafte Speicherung der Datenjaja infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes, by using IndexedDB or the cloud service Firebase Realtime Databaseja infousing RocksDBja
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenneinjaja infousing MemoryDBjaja infoIn-Memory realm
Berechtigungskonzept infoZugriffskontrolleRechteverwaltung mit Benutzeraccountseinfacher Passwort-basierter Zugriffsschutz und ACLneinRole-based access controlja
Weitere Informationen bereitgestellt vom Systemhersteller
CrateDBKeyDBLovefieldNebulaGraphRealm
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
CrateDBKeyDBLovefieldNebulaGraphRealm
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