1 1 vote closed as a duplicate of: MadeEasy Test Series: Databases - Er Diagram Consider the following ER diagram with four entity sets E1, E2, E3, E4 and relationship set R If E1, E2 ,E3, E4 has 50, 30, 100 and 400 records respectively. What is the maximum number of records of entities that could be in the relationship set R? Databases + – User007 1.5k views comment Share Follow Print See all 3 Comments 3 3 Comments reply rameshwar kashyap commented Nov 25, 2016 reply Follow flag maximum record is 980,,becoz many to many so one extra table consruct 0 0 replyShare Jason GATE commented Jan 2, 2017 reply Follow flag 50 is the Right Answer. 0 0 replyShare Sameer Bawane commented Jul 8, 2025 reply Follow flag We can combine R with any of the entities E3 or E4 in case of 1:1 and also,we can combine it with the entity E1 in case of m:1but m:1 is dominant over 1:1thus we do combine the relation R with E1E1 has 50 records. Thus, Max. records in R is 50. 0 0 replyShare Please log in or register to add a comment.