0 votes 0 votes Since A---> R1<--B is 1 : m and n : 1 type relationship yet of having total participation we have 1-- >m<--1 so how can merge table A into table B ? As R1 can map more than one tuples. Databases databases er-diagram ace-test-series + – Decota asked Jan 28, 2017 • edited Mar 6, 2019 by ajaysoni1924 Decota 261 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
