1 votes 1 votes Plz tell whether this formula is correct? Number of tables for an ER Diagram = [Number of Entities+Number of Multivalued Attributes + Number of M:N Cardinality Ratios(with no Total Participation on both entities)] Databases databases + – Balaji Jegan asked Jan 22, 2018 Balaji Jegan 300 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply hs_yadav commented Jan 22, 2018 reply Follow Share it sould be correct... 0 votes 0 votes Balaji Jegan commented Jan 22, 2018 reply Follow Share In case of aggregation how many tables will be there? 0 votes 0 votes Sumaiya23 commented Jan 29, 2018 reply Follow Share What if a many-to-many relationship does not have total participation on both sides? Will there be a table for that relation? 0 votes 0 votes Please log in or register to add a comment.
