MongoDB Atlas: Global multi-cloud database with unmatched data distribution and mobility across AWS, Azure, and Google Cloud, built-in automation for resource and workload optimization, and so much more.
MongoDB Flex @ STACKIT offers managed MongoDB Instances with adjustable CPU, RAM, storage amount and speed, in enterprise grade to perfectly match all application requirements. All services are 100% GDPR-compliant.

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.
Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.

Implementierungssprache

C, C++

Java

C++

Server Betriebssysteme

Linux

Linux
Unix
Windows

mit Cygwin

Linux
OS X
Solaris
Windows

Linux

FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows

Datenschema

schemafrei

schema-free, schema definition possible

schemafrei

Obwohl schemafrei haben Dokumente einer Collection dennoch häufig die selbe Struktur

Strong typed schema

Typisierung

vordefinierte Datentypen, z.B. float oder date

yes: string, long, double, int, geospatial, stream, events

options to bring your own types, AVRO

string, integer, double, decimal, boolean, date, object_id, geospatial

XML Unterstützung

Verarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLT

nein

specific XML-type available, but no XML query functionality.

Sekundärindizes

secondary, composite, nested, reverse, geospatial

nein

Nebula 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

Support of SQL

SQL like support with command line tool

nein

Read-only SQL queries via the MongoDB Atlas SQL Interface

SQL-like query language

Standard mit zahlreichen Erweiterungen

APIs und andere Zugriffskonzepte

Propriätäres Protokoll
RESTful HTTP API

Java API
RESTful HTTP API
Thrift

GraphQL
HTTP REST
Prisma
Proprietäres Protokoll basierend auf JSON

Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis

ORM framework for NebulaGraph and Spring-Boot
Proprietäres native API
Python Object Graph Mapper
Query language nGQL

ADO.NET
JDBC
native C library
ODBC
streaming API for large objects

Unterstützte Programmiersprachen

C
C#
C++
Java
Python

C
C#
C++
Groovy
Java
PHP
Python
Scala

Actionscript

inoffizielle Driver
C
C#
C++
Clojure

inoffizielle Driver
ColdFusion

inoffizielle Driver
D

inoffizielle Driver
Dart

inoffizielle Driver
Delphi

inoffizielle Driver
Erlang
Go
Groovy

inoffizielle Driver
Haskell
Java
JavaScript
Kotlin
Lisp

inoffizielle Driver
Lua

inoffizielle Driver
MatLab

inoffizielle Driver
Perl
PHP
PowerShell

inoffizielle Driver
Prolog

inoffizielle Driver
Python
R

inoffizielle Driver
Ruby
Rust
Scala
Smalltalk

inoffizielle Driver
Swift

.Net
C++
Go
Java
PHP
Python

.Net
C
C++
Delphi
Java

JDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl

Server-seitige Scripts

Stored Procedures

nein

Coprocessors in Java

JavaScript

user defined functions

benutzerdefinierte Funktionen

realisiert z.B. mit spezifischer Sprache PL/pgSQL, aber auch andere Sprachen möglich (Perl, Python, Tcl, etc.)

Triggers

yes, Notifications (with Streaming only)

in MongoDB Atlas only

Partitionierungsmechanismen

Methoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen Knoten

Sharding (enterprise version only). P2P based virtual network overlay with consistent hashing and chord algorithm

Sharding

Partitioned by hashed, ranged, or zoned sharding keys. Live resharding allows users to change their shard keys as an online operation with zero downtime.

Sharding

partitioning by range, list and (since PostgreSQL 11) by hash

Replikationsmechanismen

Methoden zum redundanten Speichern von Daten auf mehreren Knoten

selectable replication factor, Knob for CAP (enterprise version only)

Multi-Source Replikation
Source-Replica Replikation

Multi-Source deployments with MongoDB Atlas Global Clusters
Source-Replica Replikation

Causal Clustering using Raft protocol

Source-Replica Replikation

andere Varianten durch Verwendung von 3rd party - tools

MapReduce

Bietet ein API für Map/Reduce Operationen

nein

Konsistenzkonzept

Methoden zur Sicherstellung der Konsistenz in einem verteilten System

Tunable consistency, set CAP knob accordingly

Immediate Consistency or Eventual Consistency

Eventual Consistency

can be individually decided for each read operation
Immediate Consistency

default behaviour

Immediate Consistency

Fremdschlüssel

referenzielle Integrität

nein

Normalerweise nicht gebraucht, abgeschwächte Variante mit DBRef

Relationships in graphs

Transaktionskonzept

Unterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren Datenmanipulationen

ACID

Single row ACID (across millions of columns)

Multi-document ACID Transactions with snapshot isolation

ACID

Concurrency

Unterstützung von gleichzeitig ausgeführten Datenmanipulationen

yes, optimistic concurrency control

Durability

Dauerhafte Speicherung der Daten

yes, implements WAL (Write ahead log) as well

optional, enabled by default

using RocksDB

In-Memory Unterstützung

Gibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu halten

yes, run db with in-memory only mode

In-memory storage engine introduced with MongoDB version 3.2

nein

Berechtigungskonzept

Zugriffskontrolle

yes (enterprise version only)

Access Control Lists (ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC

Zugriffsrechte für Benutzer und Rollen

Role-based access control

Benutzer mit feingranularem Berechtigungskonzept entsprechend SQL-Standard

Weitere Informationen bereitgestellt vom Systemhersteller

Specific characteristics

MongoDB provides an integrated suite of cloud database and data services to accelerate...
» mehr

NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» mehr

Competitive advantages

Built around the flexible document data model and unified API, MongoDB is a developer...
» mehr

NebulaGraph boasts the world's only graph database solution that is able to host...
» mehr

Typical application scenarios

AI-enriched intelligent apps (Continental, Telefonica, Iron Mountain) Internet of...
» mehr

Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» mehr

Key customers

ADP, Adobe, Amadeus, AstraZeneca, Auto Trader, Barclays, BBVA, Bosch, Cisco, CERN,...
» mehr

Companies from a variety of industries have implemented NebulaGraph Database in production,...
» mehr

Market metrics

Hundreds of millions downloads, over 150,000+ Atlas clusters provisioned every month...
» mehr

At our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» mehr

Licensing and pricing models

MongoDB database server: Server-Side Public License (SSPL) . Commercial licenses...
» mehr

NebulaGraph is open source and free to use under Apache 2.0 license.
» mehr

Wir laden Vertreter der Systemhersteller ein uns zu kontaktieren, um die Systeminformationen zu aktualisieren und zu ergänzen,
sowie um Herstellerinformationen wie Schlüsselkunden, Vorteile gegenüber Konkurrenten und Marktmetriken anzuzeigen.

Zugehörige Produkte und Dienstleistungen

Drittanbieter

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Redgate webinars: A series of key topics for new PostgreSQL users.
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Instaclustr: Fully Hosted & Managed PostgreSQL
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Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
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CYBERTEC is your professional partner in PostgreSQL topics for over 20 years. As our main aim is to be your single-source all-in-one IT service provider, we offer a wide range of products and services. Visit our website for more details.
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Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
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Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
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Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
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SharePlex is the reliable and affordable data replication solution for PostgreSQL migrations, high availability and more.
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Timescale: Calling all PostgreSQL users – the 2023 State of PostgreSQL survey is now open! Share your favorite extensions, preferred frameworks, community experiences, and more. Take the survey today!
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pgDash: In-Depth PostgreSQL Monitoring.
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Wir laden Vertreter von Anbietern von zugehörigen Produkten ein uns zu kontaktieren, um hier Informationen über ihre Angebote zu präsentieren.

Weitere Ressourcen

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mehr DBMS Events

Monitoring PostgreSQL with Redgate Monitor
Webinar, 10-11am CT / 4-5pm BST, 22. Mai 2024 (abgeschlossen)

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