0 votes 0 votes It is mention in navathe page no 67 6th edition that A super key can have redundant attribute..then what is benfit of redundant attribute?? Databases databases + – Ravi prakash pandey asked Jun 21, 2017 • retagged May 20, 2021 by Shiva Sagar Rao Ravi prakash pandey 325 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes i think , they are unnecessary and of no use therefore we go for candidate key by eliminating unwanted anomalies. Niraj Singh 2 answered Jun 21, 2017 Niraj Singh 2 comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes This might be useful to you. https://www.youtube.com/watch?v=zS2SmH8AlKM Pawan Kumar 2 answered Jul 13, 2017 Pawan Kumar 2 comment Share Follow See all 0 reply Please log in or register to add a comment.
