BSEH Senior Secondary NSQF Practice Test & Exam Prep | India

Which statement best describes a candidate key?

A column or set of columns that can uniquely identify a row; one candidate is chosen as the primary key Any column that stores only text A key that must always be NULL A temporary password for the DBA only

Correct Answer:

A column or set of columns that can uniquely identify a row; one candidate is chosen as the primary key

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