That means that subsets of ABC like AB ,BC ,A,B ,etc cannot determine D. In the relation ABC->D, attribute D is fully functional dependent on ABC if it is fully functional dependent on ABC and not on any proper subset of ABC. If X and Y are an attribute set of a relation, Y is fully functional dependent on X, if Y is functionally dependent on X but not on any proper subset of X. Difference between DELETE, DROP and TRUNCATE.Introduction of 3-Tier Architecture in DBMS | Set 2.Difference between Clustered and Non-clustered index.Difference between Primary key and Unique key.Difference between Primary Key and Foreign Key.Types of Keys in Relational Model (Candidate, Super, Primary, Alternate and Foreign).Commonly asked DBMS interview questions.Introduction of DBMS (Database Management System) | Set 1.SQL query to find second highest salary?.SQL | Join (Inner, Left, Right and Full Joins).ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys. ![]() GATE CS Original Papers and Official Keys.
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