MENU
Question -

Observe the following table and answer the parts (i) and (ii) :
ncert-solutions-for-class-12-computer-science-c-database-concepts-4-13
  1. In the above table, can we have Qty as primary key.[Answer as yes/no]. Justify your answer.
  2.  What is the cardinality and degree of the above table ?



Answer -

  1. We cannot use Qty as primary key because there is dulication of values and primary key value cannot be duplicate.
  2. Degree = 4

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×