Which of the following cannot be a multivalued attribute?a.Addressb.Skillc.Telephone numberd.Age

The attribute that cannot be multivalued from the given options is "Age".

Here's why:

a. Address - A person can have multiple addresses (for example, home address, work address, etc.), so it can be a multivalued attribute.

b. Skill - A person can have multiple skills (for example, programming, painting, singing, etc.), so it can be a multivalued attribute.

c. Telephone number - A person can have multiple telephone numbers (for example, home number, work number, cell number, etc.), so it can be a multivalued attribute.

d. Age - A person can have only one age at a time, so it cannot be a multivalued attribute.