6 votes 6 votes Which symbol denote derived attributes in ER Model? Double ellipse Dashed ellipse Squared ellipse Ellipse with attribute name underlined Databases isro2017 databases er-diagram + – sh!va asked May 7, 2017 • retagged Jun 4, 2017 by Arjun sh!va 9.3k views answer comment Share Follow See 1 comment See all 1 1 comment reply JashanArora commented Dec 10, 2019 reply Follow Share A: Multivalued attribute. B: Derived Attribute. C: I don't think that's a symbol in the ER model. D: Key. 5 votes 5 votes Please log in or register to add a comment.
Best answer 13 votes 13 votes Option (B) Dashed ellipse vinaykumar700156 answered May 7, 2017 • selected May 7, 2017 by Praveen Saini vinaykumar700156 comment Share Follow See all 0 reply Please log in or register to add a comment.
3 votes 3 votes An attribute which can be derived from other attributes of the entity type is known as a derived attribute. e.g.; Age (can be derived from DOB). In ER diagram, a derived attribute is represented by a dashed Ellipses. pankaj_vir answered Mar 12, 2018 pankaj_vir comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes option B: Derived Attributes ankit3009 answered Sep 11, 2020 ankit3009 comment Share Follow See all 0 reply Please log in or register to add a comment.