What is a foreign key?
A. A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tables.
B. A field (or group of fields) that uniquely identifies a given attribute in a table.
C. Characteristics or properties of an entity.
D. A field (or group of fields) that uniquely identifies a given entity in a table.
Answer: A
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a. United States b. Germany c. Ghana d. Zimbabwe
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What will be an ideal response?