Difference between Neo4j and Couchbase

1. Neo4j :
Neo4j is the most famous graph database management system and it is also a NoSQL database system which is developed by Neo4j, Inc. It is different from Mysql or MongoDB as it has its features that makes it special compared to other Database Management System. Neo4j also stores and present the data in the form of the graph not in tabular format or not in a Jason format. In this the whole data is represented by nodes and there you can create a relationship between nodes which means the whole database collection will look like a graph, which makes Neo4j unique from other database management system. 

2. Couchbase :
Couchbase Server is an open-source, distributed, JSON document database that is enhanced for interactive applications. It is also known as Membase. It was developed by Couchbase, Inc. and initially released in August 2010. It is written using C++, Erlang, C, Go languages and its server is designed to provide us with easy-to-scale key-value or JSON document access with high sustained throughput and low latency. 

Difference between Neo4j and Couchbase :

S.No.	Neo4j	Couchbase
1.	It was developed by Neo4j, Inc.	It was developed by Couchbase, Inc.
2.	It was initially released in 2007.	It was initially released on August 2010.
3.	It is written using Java and Scala language.	It is written using  C++, Erlang,  C,  Go languages .
4.	Neo4j server operating systems are Linux, OS X, Solaris, and Windows.	Its server operating systems are Linux, OS X, and Windows.
5.	It has foreign keys.	It does not have foreign keys.
6.	Neo4j APIs and other access methods includes Bolt protocol, Cypher query language, Java API, Neo4j-OGM, RESTful HTTP, API, Spring Data Neo4j, TinkerPop 3.	APIs and other access methods include Native language bindings for CRUD, Query, Search and Analytics APIs.
7.	It is data schema free and schema optional.	It is data schema free.
8.	It does not support SQL.	It provides support to Declarative query language (N1QL) that extends ANSI SQL to JSON.
9.	Its primary database model is is Graph DBMS.	Its primary database model is Document Store.
10.	Neo4j supports programming languages which are .Net, Clojure, Elixir, Go, Groovy, Haskell, Java, JavaScript, Perl, PHP, Python, Ruby and Scala.	It supports .NetC, Clojure, ColdFusion, Erlang, Go, Java, JavaScript, Perl, PHP, Python, Ruby, Scala, Tcl programming languages.
11.	It does not supports Partitioning methods.	It supports Sharding Partitioning methods.
12.	Neo4j is used by famous companies like medium.com., Stack, Fiverr, Fundamentei, Trendyol Group, double slash, ingsmen Software, GAPO, etc.	Famous companies like Oxylabs, Kaidee, Immowelt AG, Trendyol Group, etc uses Couchbase.