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What is a primary key in a relational database?a)A column that uniquely identifies each row in a tableb)A column that can have multiple values in a tablec)A column that is optional and not necessary for a tabled)A column that holds the foreign key values in a tableCorrect answer is option 'A'. 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 What is a primary key in a relational database?a)A column that uniquely identifies each row in a tableb)A column that can have multiple values in a tablec)A column that is optional and not necessary for a tabled)A column that holds the foreign key values in a tableCorrect answer is option 'A'. 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 What is a primary key in a relational database?a)A column that uniquely identifies each row in a tableb)A column that can have multiple values in a tablec)A column that is optional and not necessary for a tabled)A column that holds the foreign key values in a tableCorrect answer is option 'A'. Can you explain this answer?.

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