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DBMS > Couchbase vs. PostgreSQL vs. QuestDB vs. Weaviate

Vergleich der Systemeigenschaften Couchbase vs. PostgreSQL vs. QuestDB vs. Weaviate

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NameCouchbase infoUrsprünglich Membase genannt  Xaus Vergleich ausschliessenPostgreSQL  Xaus Vergleich ausschliessenQuestDB  Xaus Vergleich ausschliessenWeaviate  Xaus Vergleich ausschliessen
KurzbeschreibungA distributed document store with integrated cache, a powerful search engine, in-built operational and analytical capabilities, and an embedded mobile databaseWeit verbreitetes, allgemein einsetzbares Open Source RDBMS infoEntwickelt als objektorientiertes DBMS, im Laufe der Zeit um 'Standards' wie SQL erweitertA high performance open source SQL database for time series dataAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primäres DatenbankmodellDocument StoreRelational DBMS infomit objektorientierten Erweiterungen, z.B.: benutzerdefinierte Datentypen/Funktionen und Vererbung. Key/Value handling mit hstore Modul.Time Series DBMSVektor DBMS
Sekundäre DatenbankmodelleKey-Value Store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
Suchmaschine
Time Series DBMS
Vektor DBMS
Document Store
Graph DBMS infowith Apache Age
Spatial DBMS
Vektor DBMS infowith pgvector extension
Relational DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte17,30
Rang#36  Overall
#5  Document Stores
Punkte645,54
Rang#4  Overall
#4  Relational DBMS
Punkte2,52
Rang#109  Overall
#9  Time Series DBMS
Punkte1,73
Rang#143  Overall
#5  Vektor DBMS
Websitewww.couchbase.comwww.postgresql.orgquestdb.iogithub.com/­weaviate/­weaviate
weaviate.io
Technische Dokumentationdocs.couchbase.comwww.postgresql.org/­docsquestdb.io/­docsweaviate.io/­developers/­weaviate
EntwicklerCouchbase, Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developerQuestDB Technology IncWeaviate B.V.
Erscheinungsjahr20111989 info1989: Postgres, 1996: PostgreSQL20142019
Aktuelle VersionServer: 7.2, June 2023; Mobile: 3.1, March 2022; Couchbase Capella (DBaaS), June 202316.3, Mai 20241.19, Mai 2023
Lizenz infoCommercial or Open SourceOpen Source infoBusiness Source License (BSL 1.1); Commercial licenses also availableOpen Source infoBSDOpen Source infoApache 2.0Open Source infocommercial license available with Weaviate Enterprise
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinneinneinnein
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
  • PostgreSQL Flex @ STACKIT offers managed PostgreSQL Instances with adjustable CPU, RAM, storage amount and speed and several extensions available, in enterprise grade to perfectly match all application requirements. All 100% GDPR-compliant.
ImplementierungsspracheC, C++, Go and ErlangCJava (Zero-GC), C++, RustGo
Server BetriebssystemeLinux
OS X
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Linux
macOS
Windows
Datenschemaschemafreijaja infoschema-free via InfluxDB Line Protocolyes, maps to GraphQL interface
Typisierung infovordefinierte Datentypen, z.B. float oder datejajajaja infostring, int, float, geo point, date, cross reference, fuzzy references
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTja infospecific XML-type available, but no XML query functionality.neinnein
Sekundärindizesjajaneinja infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL++, extends ANSI SQL to JSON for operational, transactional, and analytic use casesja infoStandard mit zahlreichen ErweiterungenSQL with time-series extensionsGraphQL is used as query language
APIs und andere ZugriffskonzepteCLI Client
HTTP REST
Kafka Connector
Native language bindings for CRUD, Query, Search and Analytics APIs
Spark Connector
Spring Data
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
PostgreSQL wire protocol
GraphQL query language
RESTful HTTP/JSON API
Unterstützte Programmiersprachen.Net
C
Go
Java
JavaScript infoNode.js
Kotlin
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
JavaScript / TypeScript
Python
Server-seitige Scripts infoStored ProceduresFunctions and timers in JavaScript and UDFs in Java, Python, SQL++benutzerdefinierte Funktionen inforealisiert z.B. mit spezifischer Sprache PL/pgSQL, aber auch andere Sprachen möglich (Perl, Python, Tcl, etc.)neinnein
Triggersja infoüber das TAP Protokolljaneinnein
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenAutomatic Shardingpartitioning by range, list and (since PostgreSQL 11) by hashhorizontal partitioning (by timestamps)Sharding
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenMulti-Source Replikation infoinklusive cross data center replication
Source-Replica Replikation
Source-Replica Replikation infoandere Varianten durch Verwendung von 3rd party - toolsSource-replica replication with eventual consistencyja
MapReduce infoBietet ein API für Map/Reduce Operationenjaneinneinnein
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemEventual Consistency
Immediate Consistency infopro Operation auswählbar
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Fremdschlüssel inforeferenzielle Integritätneinjaneinnein
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenACIDACIDACID for single-table writesnein
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajaja
Durability infoDauerhafte Speicherung der Datenjajajaja
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenja infoEphemeral bucketsneinja infothrough memory mapped filesja
Berechtigungskonzept infoZugriffskontrolleUser and Administrator separation with password-based and LDAP integrated Authentication. Role-base access control.Benutzer mit feingranularem Berechtigungskonzept entsprechend SQL-StandardAPI Keys
OpenID Connect Discovery
Weitere Informationen bereitgestellt vom Systemhersteller
Couchbase infoUrsprünglich Membase genanntPostgreSQLQuestDBWeaviate
Specific characteristicsRelational model with native time series support Column-based storage and time partitioned...
» mehr
Weaviate is an open source vector database that is robust, scalable, cloud-native,...
» mehr
Competitive advantagesHigh ingestion throughput: peak of 4M rows/sec (TSBS Benchmark) Code optimizations...
» mehr
Flexible deployment - Free, open source or fully-managed cloud vector database service...
» mehr
Typical application scenariosFinancial tick data Industrial IoT Application Metrics Monitoring
» mehr
As a database supporting the development of generative AI and semantic search applications...
» mehr
Key customersBanks & Hedge funds, Yahoo, OKX, Airbus, Aquis Exchange, Net App, Cloudera, Airtel,...
» mehr
All companies that have data. ​
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Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
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Licensing and pricing modelsOpen source Apache 2.0 QuestDB Enterprise QuestDB Cloud
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Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
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Weitere Ressourcen
Couchbase infoUrsprünglich Membase genanntPostgreSQLQuestDBWeaviate
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