Question

Long Answer Type Questions:
1. Define the following terms:
(i) Database
(ii) Table
(iii) Primary key
(iv) Candidate key
(v) Alternate key​

Answer 1

Answer:

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where database are more complex they are often developed using formula design and modeling technicues.

Answer 2

Answer:

Database:- A database is an organized collection of data generally stored and accessed electronically from a computer system is called database.

Candidate key:-candidate key is a set of attributes that uniquely identify tuples in a table is called candidate key.

Alternate key:- alternate key is the key that has not been selected to be the primary key but are candidate keys a candidate key -candidate is not selected as a primary key is called alternate key