AdminHelpdice Team30 May, 2024BCNF is needed becauseotherwise tuples may be duplicatedwhen a data is deleted tuples may be lostupdating is otherwise difficultwhen there is dependent attributes in two possible composite keys one of the attributes is unnecessarily duplicated in the tuplesCheck AnswerRelated MCQ's Relational Algebra is...Mon, 10 MarSET concept is used in :...Mon, 10 MarThe relational model feature is that there...Mon, 10 MarA relational database developer refers to a record as...Mon, 10 Mar4NF is designed to cope with:...Mon, 10 MarA super key is a set of one or more attributes that, taken collectively, allow us...Mon, 10 MarIn a relational database a referential integrity constraint can be specified with the helpof...Mon, 10 MarCartesian product in relational algebra is...Mon, 10 MarTwo or more attributes that can be a key are called :...Mon, 10 MarA functional dependency is a relationship between...Mon, 10 Mar
