6 Questions
Which of the following is an example of a valid functional dependency?
{roll_no, name} → name
What type of functional dependency is characterized by a dependent always being a subset of the determinant?
Trivial functional dependency
Which of the following is an example of an invalid functional dependency?
{roll_no, name} → dept_building
In the context of functional dependencies, what does the determinant refer to?
The independent attribute(s)
Which of the following is an example of a valid functional dependency based on the given properties?
{roll_no} → dept_name
What rule allows inferring a new valid dependency if X → Y and Y → Z are both valid dependencies?
Transitivity rule
Explore the various applications of functional dependencies in the field of database management system, such as data normalization. Understand how functional dependencies help in minimizing redundancy and increasing data integrity by identifying primary keys and candidate keys in a table.
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