Functional dependency: Difference between revisions

Content deleted Content added
there -> their
Remove unnecessary "Note that"
Line 40:
* StudentID → Semester.
 
Note that ifIf a row was added where the student had a different value of semester, then the functional dependency FD would no longer exist. This means that the FD is implied by the data as it is possible to have values that would invalidate the FD.
 
Other nontrivial functional dependencies can be identified, for example: