In a Relational Model,when a Primary Key for One Table

question 65

Multiple Choice

In a relational model,when a primary key for one table appears in another table,it is called a _____ key.

• A) secondary
• B) foreign
• C) surrogate
• D) domain

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Definitions:

Controlled Process

Mental activities that require focused attention and are performed deliberately, often involving conscious effort.

Roller-Skating

A recreational activity, competitive sport, or mode of transportation that involves moving on surfaces with shoes equipped with small wheels.

Blinking

A rapid, reflexive closure of the eyelid to protect the eye from foreign objects, dryness, or to spread tears across and remove irritants from the surface of the eye.

Interpreter

A person or system that translates spoken or written language from one language to another or someone who helps to clarify or explain informations or data.