You need to implement a solution that meets the job application requirements.
What should you do?
A. Create a one-to-one relationship between the Openings table and the Applications table.
B. Create a one-to-one relationship between the Candidates table and the Applications table.
C. Add a UNIQUE constraint to the Applications table on the ApplicationID column and CandidateID column.
D. Add a UNIQUE constraint to the Applications table on the OpeningID column and the CandidateID column.
