0 votes 0 votes What are the difference b/w E R model and relational model ????? Please discuss it in detail. Why we need ER model ? Databases databases + – Harikesh Kumar asked Nov 19, 2017 Harikesh Kumar 251 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes ER model is used at conceptual level (To understand the schema to naive person) Relations or tables are at Implementation level. Ashwin Kulkarni answered Nov 19, 2017 Ashwin Kulkarni comment Share Follow See all 0 reply Please log in or register to add a comment.