Database Management Systems
Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?
درج ذیل میں سے کون سا ایک یا زیادہ صفات کا مجموعہ ہے جو کسی ریکارڈ کی منفرد شناخت کے لیے اجتماعی طور پر لیا جاتا ہے؟
Answer: super key
Explanation
A super key is a set of one or more attributes (columns), which can uniquely identify a row in a table.
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