Solved

For a Unary One-To-One Relationship Between Two Entities a and B,the

Question 120

Multiple Choice

For a unary one-to-one relationship between two entities A and B,the relationship is represented by:


A) adding the primary key of A as a foreign key of B
B) adding the primary key of B as a foreign key of A
C) combining the two entities into one relation
D) either A or B

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q115: Identify the five properties of a relation.

Q116: A relation is said to be in

Q117: _ is a special field value,distinct from

Q118: Identify several advantages and disadvantages of using

Q119: A foreign key in a relation that

Q121: The relation state specifying that nonprimary key

Q122: If a relationship exists among three or

Q123: A _ is a named,two-dimensional table of

Q124: File restoration can be achieved through backup

Q125: For any relation R,if,for every valid instance