DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > CouchDB vs. EJDB vs. Impala vs. MySQL vs. Neo4j

System Properties Comparison CouchDB vs. EJDB vs. Impala vs. MySQL vs. Neo4j

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonEJDB  Xexclude from comparisonImpala  Xexclude from comparisonMySQL  Xexclude from comparisonNeo4j  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Embeddable document-store database library with JSON representation of queries (in MongoDB style)Analytic DBMS for HadoopWidely used open source RDBMSScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offerings
Primary database modelDocument storeDocument storeRelational DBMSRelational DBMS infoKey/Value like access via memcached APIGraph DBMS
Secondary database modelsSpatial DBMS infousing the Geocouch extensionDocument storeDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score15.47
Rank#40  Overall
#6  Document stores
Score0.29
Rank#271  Overall
#39  Document stores
Score18.65
Rank#37  Overall
#23  Relational DBMS
Score1212.52
Rank#2  Overall
#2  Relational DBMS
Score57.63
Rank#18  Overall
#1  Graph DBMS
Websitecouchdb.apache.orgejdb.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlwww.mysql.comneo4j.com
Technical documentationdocs.couchdb.org/­en/­stablegithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmldev.mysql.com/­docneo4j.com/­docs
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerSoftmotionsClouderaOracle infosince 2010, originally MySQL AB, then SunNeo4j, Inc.
Initial release20052012201319952007
Current release3.1.1, September 20203.4.0, April 20208.0.26, July 20214.3.3, August 2021
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoGPLv2Open Source infoApache Version 2Open Source infoGPL version 2. Commercial licenses with extended functionallity are availableOpen Source infoGPL version3, commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for MySQL: Fully managed MySQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageErlangCC++C and C++Java, Scala
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
server-lessLinuxFreeBSD
Linux
OS X
Solaris
Windows
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeschema-freeschema-freeyesyesschema-free and schema-optional
Typing infopredefined data types such as float or datenoyes infostring, integer, double, bool, date, object_idyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonoyes
Secondary indexesyes infovia viewsnoyesyesyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of SQLnonoSQL-like DML and DDL statementsyes infowith proprietary extensionsno
APIs and other access methodsRESTful HTTP/JSON APIin-process shared libraryJDBC
ODBC
ADO.NET
JDBC
ODBC
Proprietary native API
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
All languages supporting JDBC/ODBCAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresView functions in JavaScriptnoyes infouser defined functions and integration of map-reduceyes infoproprietary syntaxyes infoUser defined Procedures and Functions
Triggersyesnonoyesyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0noneShardinghorizontal partitioning, sharding with MySQL Cluster or MySQL Fabricyes using Neo4j Fabric
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
noneselectable replication factorMulti-source replication
Source-replica replication
Causal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual ConsistencyImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integritynono infotypically not needed, however similar functionality with collection joins possiblenoyes infonot for MyISAM storage engineyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possiblenonoACID infonot for MyISAM storage engineACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyes infoRead/Write Lockingyesyes infotable locks or row locks depending on storage engineyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess rights for users can be defined per databasenoAccess rights for users, groups and roles infobased on Apache Sentry and KerberosUsers with fine-grained authorization concept infono user groups or rolesUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"EJDBImpalaMySQLNeo4j
Specific characteristicsNeo4j delivers graph technology that has been battle tested for performance and scale...
» more
Competitive advantagesNeo4j is the market leader, graph database category creator, and the most widely...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customersOver 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
News

Kafka for Neo4j Aura Is Available Now
21 September 2021

This Week in Neo4j – GraphXR, CARD, Relational vs. Graph, Azure Functions, Neo4j Spring Data 6, Load JSON, Videos Galore
18 September 2021

#GraphCast: 8 Tips to Decide If Knowledge Graph Is Right for You
17 September 2021

Nominate Your Fave Graph Superstar for a Graphie Award
13 September 2021

This Week in Neo4j – Power BI, Mobile Recommendations, Policy Base Service Authorization, Graph Algorithms Book Review, Training Week, Knowledge Graph Browser
11 September 2021

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesNavicat for MySQL is the ideal solution for MySQL/MariaDB administration and development.
» more

ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
» more

SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
» more

Fivetran: Quickly and easily centralize your on-premise and cloud databases.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more
Graphable delivers expert services for Neo4j and other Graph DBMS.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"EJDBImpalaMySQLNeo4j
DB-Engines blog posts

Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month
2 June 2014, Matthias Gelbmann

show all

MySQL is the DBMS of the Year 2019
3 January 2020, Matthias Gelbmann, Paul Andlinger

MariaDB strengthens its position in the open source RDBMS market
5 April 2018, Matthias Gelbmann

The struggle for the hegemony in Oracle's database empire
2 May 2017, Paul Andlinger

show all

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

show all

Recent citations in the news

Couchbase IPO Brings NoSQL Database to Stock Market
26 August 2021, Illinoisnewstoday.com

NoSQL Databases Software Market In-Depth Analysis | Key Players- Amazon, Arango DB, Azure Cosmos DB, Couchbase – Stillwater Current
20 September 2021, Stillwater Current

How to Connect Your Flask App With CouchDB: A NoSQL Database
14 August 2021, MakeUseOf

Apache CouchDB 3.0 NoSQL Database: A Major Milestone -- ADTmag
27 February 2020, ADT Magazine

CouchDB 3.0 ends admin party era • DEVCLASS
27 February 2020, DevClass

provided by Google News

Apache Impala 4 Supports Operator Multi-Threading
29 July 2021, iProgrammer

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

Cloudera says Impala is faster than Hive, which isn't saying much – Gigaom
13 January 2014, GigaOM

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Man Busts Out of Google, Rebuilds Top-Secret Query Machine
24 October 2012, Wired

provided by Google News

Daily Deal: The Modern Web Development And MySQL Programming Bundle
21 September 2021, Techdirt

PlanetScale review: Horizontally scalable MySQL in the cloud
1 September 2021, InfoWorld

Add Authentication to Any PHP App Using MySQL
8 September 2021, MakeUseOf

Relational Databases Software Market Size, Share and Top Vendors – Microsoft, Oracle, MySQL, SAP, PostgreSQL, Amazon RDS, IBM – Stillwater Current
22 September 2021, Stillwater Current

A 10-year journey with MySQL brings Oracle's HeatWave into the query database discussion
25 August 2021, SiliconANGLE News

provided by Google News

Levi Strauss & Co., Sainsbury's, The Orchard, And More Harness Neo4j Aura On AWS
24 August 2021, Yahoo Finance

NASA, The German Center for Diabetes Research (DZD), TCS, and More Use Neo4j Knowledge Graphs for Next-Level Digital Transformation
8 September 2021, PRNewswire

Graph Databases Software Market Size, Growth And Analysis By Leading Keyplayers – Neo4j, ArangoDB, SAP, Twitter – Stillwater Current
22 September 2021, Stillwater Current

Open-Source Database Software Market Size, Analysis, and Key Manufacturers – Titan, Neo4j, SQLite, MariaDB, Apache Hive, Couchbase, MongoDB – Stillwater Current
21 September 2021, Stillwater Current

What are graph database query languages?
3 September 2021, VentureBeat

provided by Google News

Job opportunities

Bioinformatics Analyst
Northwestern University, Chicago, IL

SecOps Engineer
Dimagi, Remote

SOFTWARE ENGINEER
Leidos, Chantilly, VA

PHP Developer
Mindfire Technology, Layton, UT

Junior Software Engineer
Octo, Chantilly, VA

Tableau Developer
Capgemini, Chicago, IL

Sr. DBA/Architect
Michaels, Irving, TX

Senior Customer Data Platform (CDP) Architect for Marketing and Communications
OneMain Financial, Charlotte, NC

Federal - ETL Developer Manager
Accenture, San Antonio, TX

Federal - Data Engineer (ETL)
Accenture, Washington, DC

Software Tester
Miva, Remote

Technical Support Specialist - Game Servers (LIMITED HOURS)
CubedHost, Remote

Database Administrator
Sleep Solutions and Services LLC, Columbia, TN

48338
Zachary Piper Solutions LLC, Remote

MySQL DBA I
Percona, Remote

Customer Support Engineer (West Coast - Remote)
Neo4j, Seattle, WA

Vice President of Global Customer Support
Neo4j, Boston, MA

Vice President of Global Customer Support - Remote
Neo4j, United States

Blue Planet Inventory Architect
Intone Networks, Remote

Vice President, IT (Remote)
Neo4j, San Francisco Bay Area, CA

jobs by Indeed



Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database machine learning. Try Vertica for free with no time limit.

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Present your product here