2 votes 2 votes wat does arrow represent in er diagram when can we many to one or one to many by seeing arrows Databases databases er-diagram + – __ asked Sep 2, 2016 • edited Sep 3, 2016 by pC __ 2.1k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Arrows in Entity is used to represnet cardinality . Read it : http://stackoverflow.com/questions/15896699/one-to-many-relationships-in-er-diagram http://jcsites.juniata.edu/faculty/rhodes/dbms/ermodel AFAIK , Representing with arrows is not a standrand way. In GATE the the proper cardinality has to be mentioned . pC answered Sep 3, 2016 • edited Sep 3, 2016 by pC pC comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes In many to one or one-one relationshsip, the entity set that participates on one side is represented by arrow pointing towards this entity set. THis is not cardinality. Sushant Gokhale answered Sep 23, 2016 Sushant Gokhale comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Arrows are used to represent the cardinality. ankit3009 answered Sep 10, 2020 ankit3009 comment Share Follow See all 0 reply Please log in or register to add a comment.
