Computer Science
Assertion. A data table can have only one primary key.
Reason. In a data table, there can be only one attribute/field containing unique values for each row.
Relational Database
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Answer
(c)
Assertion is true but Reason is false.
Explanation
A data table can have only one primary key. There can be more than one attribute in a relation possessing the unique identification property. They are known as candidate keys.
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