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The diagram illustrates the relationship between two tables in a database. The student ID in...

Data Processing
WAEC 2015

The diagram illustrates the relationship between two tables in a database.

The student ID in Tables II is referred to as 

  • A. primary key
  • B. foriegn key
  • C. normal key
  • D. composite key
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Correct Answer: Option B
Explanation

B. foreign key

This is because it links to the primary key (student ID) in Table I, establishing a relationship between the two tables.

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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