Question

Tina has made a database table in Access containing
fields_name, Class, Roll_No. and Contact_no. She has
set primary key for the field ‘Student_name’. Has she
done the right thing by setting the primary key for this
field? Give reason.

Answer 1

Answer:

no, what she did is Wrong

Explanation:

primary key allows one to identify a row uniquely, by setting name as primary key, u can only enter name of a student only once, but in real-world there will be many students with same name. But because of this design, tina cannot enter details of students with same names.

Answer 2

Answer:

no what she did is wrong

Explanation:

primary key allows one to identify a row uniquely, by setting name as primary key, u can only enter name of a student only once, but in real-world there will be many students with same name. But because of this design, tina cannot enter details of students with same names.