Question

3) The concept of RDBMS was given by
a) Bill Gates
b) Steve Jobs
c) E.F.Codd
d) Sundar Pichai​

Answer 1

Answer:

A Relational Database management System(RDBMS) is a database management system based on the relational model introduced by E.F Codd. In relational model, data is stored in relations(tables) and is represented in form of tuples(rows).

Explanation:

so answer is option c)

Answer 2

Answer:

c) E. F codd............