Difference between Oracle and Couchbase

1. Oracle : Oracle is a relational database management system (RDBMS). It was developed by Oracle Corporation in 1980. It is the first database designed for grid computing that provides the most flexible and cost-effective way to manage information and application. It runs on major platforms like Windows, Unix, Linux, and macOS. It is a relational database in which data is accessed by the user through the application or query language called SQL. 2. 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 in August 2010.
Difference between Oracle and Couchbase :

S.NO.	Oracle	Couchbase
1.	It was developed by Oracle Corporation in 1980.	It was developed by Couchbase, Inc. and initially released in August 2010.
2.	It is written in C and C++.	It is written in C++, Erlang, C and Go languages.
3.	It is a commercial software.	It is an open-source software.
4.	Server operating systems for Oracle are Solaris, Linux, OS X, Windows.	Server operating systems for Couchbase are Linux, OS X and Windows.
5.	The primary database model is Relational DBMS.	The primary database model for Couchbase is Document Store.
6.	It uses Horizontal partitioning method for storing different data on different nodes.	It uses Sharding partitioning method for storing different data on different nodes.
7.	Immediate Consistency method ensures consistency.	Eventual Consistency and Immediate Consistency methods ensures consistency in a distributed system.
8.	It provides fine grained access rights according to SQL-standard.	It provides User and Administrator separation with password-based and LDAP integrated Authentication.
9.	ACID properties of transaction are used.	It also provides ACID transactions.
10.	The replication methods that Oracle supports are Master-Slave Replication, Master-Master Replication.	The replication methods that Couchbase supports are also Master-Slave Replication, Master-Master Replication.