1 votes 1 votes I want to also ask what in general is the meaning of arrow emannating from the relationship-diamond to an entity-rectangle (as in case of R to C)? GateAspirant999 asked Oct 31, 2016 GateAspirant999 713 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes the arrow between two entity is what type of realtionship exists in the given problem relation from A to B is many to one(many values of A mapped to single value of B) and realtion from A to C is aslo many to one so the answer is D santhoshdevulapally answered Oct 31, 2016 santhoshdevulapally comment Share Follow See all 0 reply Please log in or register to add a comment.