Question

(b) Which key will you set as a the primary Key?​

Answer 1

Answer:

IF FOR THE PRODUCT THEN THE PRODUCR NUMBER

ORRRRRRR

Explanation:

A primary key is a column -- or a group of columns -- in a table that uniquely identifies the rows in that table. For example, in the table below, CustomerNo, which displays the ID number assigned to different customers, is the primary key. CUSTOMERS.