1 votes 1 votes Consider the following ER diagram,the minimum number of tables needed to represent ER-diagram are-: I think the answer should be $4$. I knw that it is laready posted here https://gateoverflow.in/74563/made-easy-test-series?show=74563#q74563 but the solution is not clear to me . Please help. Databases databases er-diagram + – Anand. asked Jul 30, 2018 Anand. 917 views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Show 7 previous comments Mk Utkarsh commented Jul 30, 2018 reply Follow Share please don't call me sir :p and i had a doubt which is cleared now. :) thanks 0 votes 0 votes srestha commented Jul 30, 2018 reply Follow Share @shaik why do we merge 2 and 3? 0 votes 0 votes Shaik Masthan commented Jul 30, 2018 reply Follow Share @ srestha, mam, 2 and 3 are many-to-one with both side total participation. 2 votes 2 votes Please log in or register to add a comment.