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In a relational database, what is a foreign key?
  • a)
    A key that is used to uniquely identify a record in a table
  • b)
    A key that is used to sort the records in a table
  • c)
    A key that creates a relationship between two tables
  • d)
    A key that defines the data types of the columns in a table
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In a relational database, what is a foreign key?a)A key that is used t...
A foreign key is a column or a set of columns in one table that refers to the primary key of another table. It establishes a relationship between the two tables.
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In a relational database, what is a foreign key?a)A key that is used to uniquely identify a record in a tableb)A key that is used to sort the records in a tablec)A key that creates a relationship between two tablesd)A key that defines the data types of the columns in a tableCorrect answer is option 'C'. Can you explain this answer?
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In a relational database, what is a foreign key?a)A key that is used to uniquely identify a record in a tableb)A key that is used to sort the records in a tablec)A key that creates a relationship between two tablesd)A key that defines the data types of the columns in a tableCorrect answer is option 'C'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about In a relational database, what is a foreign key?a)A key that is used to uniquely identify a record in a tableb)A key that is used to sort the records in a tablec)A key that creates a relationship between two tablesd)A key that defines the data types of the columns in a tableCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a relational database, what is a foreign key?a)A key that is used to uniquely identify a record in a tableb)A key that is used to sort the records in a tablec)A key that creates a relationship between two tablesd)A key that defines the data types of the columns in a tableCorrect answer is option 'C'. Can you explain this answer?.
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