4 votes 4 votes What type of representation is this ?? No cardinality ratio and what is diffrence between arrowed line (between R and B) and solid line (between A and R) Databases ace-test-series databases er-diagram + – ashish pal asked Jan 10, 2018 • edited Mar 6, 2019 by Rishi yadav ashish pal 614 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Anu007 commented Jan 10, 2018 reply Follow Share is 100 is answer 0 votes 0 votes ashish pal commented Jan 10, 2018 reply Follow Share yes 100 is answer can you tell me about the different type of arrows in above diagram and please share your solution too. 0 votes 0 votes Anu007 commented Jan 10, 2018 reply Follow Share strong means Many arrow means one 1 votes 1 votes ashish pal commented Jan 10, 2018 reply Follow Share thank you sir 0 votes 0 votes Deepak Kumar 12 commented Jan 10, 2018 reply Follow Share Read Entity Relationship Model chapter from Korth 0 votes 0 votes smsubham commented Jan 14, 2018 reply Follow Share Can someone explain how answer is 100? 0 votes 0 votes gari commented Jan 17, 2018 reply Follow Share @ Anu007 sir , one entity of A can be connected to all of B . so shouldn't it be 1000? 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes A is many to 1 for both B & C ,that can be interpreted as every attribute in A can have max 1 link to b and C ....So max tuples in R is max tuples of A .100 Madddoss answered Sep 23, 2019 Madddoss comment Share Follow See all 0 reply Please log in or register to add a comment.