0 votes 0 votes R(ABCDE) { A,BC,CD} are candidate key of relation R after 1 NF design which one is possible multi valued attributes before 1 NF design ??? Databases databases data-dependency rdbms + – air1ankit asked Oct 27, 2017 air1ankit 475 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Manu Thakur commented Oct 27, 2017 reply Follow Share I think no attribute was multivalued before 1 nf conversion. 1 votes 1 votes Anu007 commented Oct 27, 2017 reply Follow Share yes no. suppose if C is present in All candidate keys then we can say C might be Multivalue attribute. 0 votes 0 votes Manu Thakur commented Oct 27, 2017 reply Follow Share yes @anu that is correct. because if A alone is CK it means it could recognize all the attributes alone even before conversion of Relation into 1 NF, it means Relationwas already in 1 NF 1 votes 1 votes air1ankit commented Oct 27, 2017 reply Follow Share Thanks...sir 0 votes 0 votes Please log in or register to add a comment.