Ananaya plz answer
Dear Student,
A primary key is a key in a relational database that is unique for each record. A relational database must always have one and only one primary key. Hence the answer to your question is Primary Key(option C).
Regards
A primary key is a key in a relational database that is unique for each record. A relational database must always have one and only one primary key. Hence the answer to your question is Primary Key(option C).
Regards