The candidate key is that you choose to identify each row uniquely is called ……………..

Related MCQs

• State true or false i) A candidate key is a minimal super key. ii) A candidate key can also refer to as surrogate key.
• The property (or set of properties) that uniquely defines each row in a table is called the:
• The property (or set of properties) that uniquely defines each row in a table is called the:
• Which of the following is an attribute that can uniquely identify a row in a table?
• The subset of a super key is a candidate key under what condition?
• The subset of super key is a candidate key under what condition ?
• Which of the following is a group of one or more attributes that uniquely identifies a row?
• The          lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.
• The ____ lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.
• _______ allow us to identify uniquely a tuple in the relation.