Difference between Couchbase and CouchDB

1. Couchbase :
Couchbase Server is an open-source, distributed multi-model NoSQL document-oriented database software package that is optimized for interactive applications. It is also known as Membase. It was developed by Couchbase, Inc. and initially released on August 2010.

2. CouchDB :
Apache CouchDB is an open-source document-oriented NoSQL database that uses multiple formats and protocols to store, transfer, and process its data, it uses JSON to store data, JavaScript as its query language using MapReduce, and HTTP for an API. It was developed by Apache Software Foundation and initially released in 2005. It is written in Erlang.

Difference between Couchbase and CouchDB :

S.NO. Couchbase CouchDB
1. Developed by Couchbase, Inc. and initially released on August 2010. Developed by Apache Software Foundation and initially released in 2005.
2. Couchbase is written in C++, Erlang, C and Go languages. CouchDB is written in Erlang.
3. Couchbase have predefined datatypes such as boolean, string, number, etc. In CouchDB there is no predefined datatypes.
4. Couchbase supports secondary indexes. CouchDB supports secondary indexes via views only.
5. Couchbase supports Declarative query language (N1QL) that extends ANSI SQL to JSON. CouchDB do not have SQL support.
6. Couchbase provides Eventual Consistency and Immediate Consistency methods to ensure consistency in a distributed system. CouchDB only provides Immediate Consistency method to ensure consistency in a distributed system.
7. Couchbase supports ACID transactions. CouchDB does not supports ACID transactions.
8. Couchbase has in-memory capabilities. CouchDB does not have any in-memory capabilities.
9. Server operating systems for Couchbase are Linux, OS X and Windows. Server operating systems for CouchDB are Android, BSD, Linux, OS X, Solaris and Windows
10. Famous companies like Lockwood Publishing, Code Weavers, MSLGROUP, The Doyle Group, etc uses Couchbase. Famous companies like Akamai Technologies, Hothead Games, Inc., GenCorp Technologies, Vivint Solar, etc uses CouchDB.

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