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The function of the foreign key in a database is to 

Data Processing
WAEC 2024

The function of the foreign key in a database is to 

  • A. uniquely identify tuples in a table
  • B. provide a link between data in two tables
  • C. uniquely identify an entity occurrence
  • D. uniquely identify each record in a table
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Correct Answer: Option B
Explanation

The foreign key exists to provide a link between data in two tables.

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