1. RDBMS :
RDBMS stands for Relational
Database Management Systems. It is most popular database. In it data is store in the form of row that is in the form of tuple. It contain numbers of table and data can be easily access because data is store in the table. This Model was proposed by E.F.
2. IBM Db2 :
IBM Db2 is a family of data management products, including database servers, developed by IBM. It is a Relational Database Management System (RDBMS) which supports object-oriented features and non relational structure with XML. Db2 is designed to store, analyze and retrieve the data efficiently. It was initially released in 1983 and is written in C, C++, Java and Assembly language.
Difference between RDBMS and IBM DB2 :