Consider the relation Relation ABCDEF with FDs-A- FCC- DB- EFind the key

AB^+=A,B,C,D,E,F Because nbsp;AB^+ contains all the attributes, AB is key. ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Determining Candidate Keys Part - 1

Consider the ...

Question

Consider the relation Relation (ABCDEF) with FDs:

$A \to F C C \to D B \to E$

Find the key

Open in App

Solution

Suggest Corrections

Similar questions

C o n s i d e r a r e l a t i o n R (A, B, C, D, E) w i t h f u n c t i o n a l d e p e n d e n c i e s : N u m b e r o f c a n d i d a t e s k e y i n a b o v e r e l a t i o n R i s______. F = (A E \to C, C D \to E, C \to A, C \to D, D \to E]

F = {A B \to C D E F, C \to A, D \to B, C \to D, E \to F, B \to E}

Q_{1} : Select A from R where A in (Select A from S)

Q_{2} : Select A from S where A in (Select A from R)

A \to B C

B \to E

D \to A F

F \to C

B \to A D

A \to B, A \to C, C D \to E, C D \to F, B \to E

Join BYJU'S Learning Program