DBMS > CouchDB vs. Ingres vs. MaxDB

System Properties Comparison CouchDB vs. Ingres vs. MaxDB

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Editorial information provided by DB-Engines
Name	CouchDB stands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparison	Ingres  Xexclude from comparison	MaxDB formerly named Adabas-D  Xexclude from comparison
Description	A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.	Well established RDBMS	A robust and reliable RDBMS optimized to run all major SAP solutions
Primary database model	Document store	Relational DBMS	Relational DBMS
Secondary database models	Spatial DBMS using the Geocouch extension
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 17.16 Rank #41   Overall #7   Document stores	Score 5.84 Rank #72   Overall #39   Relational DBMS	Score 3.83 Rank #89   Overall #46   Relational DBMS
Website	couchdb.apache.org	www.actian.com/­data-management/­ingres-sql-rdbms	maxdb.sap.com
Technical documentation	docs.couchdb.org/­en/­stable	docs.actian.com/­ingres	maxdb.sap.com/­documentation
Developer	Apache Software Foundation Apache top-level project, originally developed by Damien Katz, a former Lotus Notes developer	Actian Corporation	SAP, acquired from Software AG (Adabas-D) in 1997
Initial release	2005	1974 originally developed at University Berkely in early 1970s	1984
Current release	3.2.2, April 2022	11.0, April 2017	7.9.10 (January 2020), 2020
License Commercial or Open Source	Open Source Apache version 2	commercial	commercial Limited community edition free
Cloud-based only Only available as a cloud service	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Erlang	C	C++
Server operating systems	Android BSD Linux OS X Solaris Windows	AIX HP Open VMS HP-UX Linux Solaris Windows	AIX HP-UX Linux Solaris Windows
Data scheme	schema-free	yes	yes
Typing predefined data types such as float or date	no	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no but tools for importing/exporting data from/to XML-files available	no
Secondary indexes	yes via views	yes	yes
SQL Support of SQL	no	yes	yes
APIs and other access methods	RESTful HTTP/JSON API	.NET Client API JDBC ODBC proprietary protocol (OpenAPI)	ADO.NET JDBC ODBC WebDAV
Supported programming languages	C C# ColdFusion Erlang Haskell Java JavaScript Lisp Lua Objective-C OCaml Perl PHP PL/SQL Python Ruby Smalltalk		.Net C# Java Perl PHP Python
Server-side scripts Stored procedures	View functions in JavaScript	yes	yes
Triggers	yes	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding improved architecture with release 2.0	horizontal partitioning Ingres Star to access multiple databases simultaneously	none
Replication methods Methods for redundantly storing data on multiple nodes	Multi-source replication Source-replica replication	Ingres Replicator	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no atomic operations within a single document possible	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes strategy: optimistic locking	yes MVCC	yes
Durability Support for making data persistent	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no
User concepts Access control	Access rights for users can be defined per database	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard
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More resources
	CouchDB stands for "Cluster Of Unreliable Commodity Hardware"	Ingres	MaxDB formerly named Adabas-D
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