Question

What is a tuple? And define its uses in brief.

Answer 1

a row in a table in a database is called tuple

it defines a record in a database

Answer 2

Tuple: In DBMS, horizontal subset/ information in a table is called tuple. The tuple is also known as a ' record ', which gives particular information of the relation ( table ).  

for example :

in customer table, one row gives information about one customer only.in student table, one  row gives information about one student only.