The subset of a super key is a candidate key under what condition?

Related MCQs

• The subset of super key is a candidate key under what condition ?
• 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 candidate key is that you choose to identify each row uniquely is called ……………..
• Which forms every non-prime attribute is fully dependent functionally on the candidate key of a relational schema:
• A relation Schema R is in ……….. if it is in 3NF and satisfies an additional constant thatfor every FD X->A. X must be a candidate key.
• The strategy can retrieve a single record if the equality condition is on a key; multiple records may be retrieved if the indexing field is not a key is
• The minimal set of super key is called
• The minimal set of super key is called
• Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?
• Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?