1 votes 1 votes 1- R(ABCD) FD'S ARE {AB->C ,C->D,D->EA ,DE->F,EF->B} 2-R(ABCD) FDS ARE { A->BC, CD->E, B->D,E-A} 3- R(ABCD) {AB-> CD,C->B,D->C} Find the candidate key ??? For above questions and please explain too. Databases databases database-normalization data-dependency + – air1ankit asked Oct 17, 2017 air1ankit 451 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply rishi71662data4 commented Oct 17, 2017 reply Follow Share For 1 the CK should be AB For 2 the CK should be A For 3 the CK should be AB 0 votes 0 votes srestha commented Oct 17, 2017 reply Follow Share Other than 3 all relation are faulty If R contains ABCD , FD shouldnot contain ABCDEF 1 votes 1 votes air1ankit commented Oct 18, 2017 reply Follow Share Find the no. Of candidate key??? 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes my answer Hira Thakur answered Oct 18, 2017 Hira Thakur comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Considering R(ABCDEF) then CK = {C,D,AB,AEF} Considering R(ABCDEF) then CK = {A,E,BC,CD} CK ={AB,AC,AD} Varun Raj Akula answered Mar 6, 2022 Varun Raj Akula comment Share Follow See all 0 reply Please log in or register to add a comment.