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CBSE Class 11 Informatics Practices Question 27 of 40

Practice Paper — Question 2

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2
Question

Question 26(ii)

Match the followings:

Column 1Column 2
(a) Alternate Key(A) Number of tuples in a relation
(b) Relation(B) Used to specify rules for the data in a table
(c) Cardinality(C) A table in a relational database
(d) Constraint(D) A candidate key that is not a Primary Key
Answer
Column 1Column 2
(a) Alternate Key(D) A candidate key that is not a Primary Key
(b) Relation(C) A table in a relational database
(c) Cardinality(A) Number of tuples in a relation
(d) Constraint(B) Used to specify rules for the data in a table