help solve will thumbs up. Solve Using Relational Algebra

(D (13 points) A list of staff who did not admit any patient yesterday. The list should have staffno and staff name. (C) (13 points) Generate a list of doctor who only subscibs vitamin C to patients during last year. The list should contain docno and doctor name (D (13 points) A list of staff who did not admit any patient yesterday. The list should have staffno and staff name. (C) (13 points) Generate a list of doctor who only subscibs vitamin C to patients during last year. The list should contain docno and doctor name