Sonali Asked a Question
September 17, 2020 3:59 pmpts 20 pts
WXYZ ete candidat key exists so it is not superkey. e candidate Given a Relation R(A, B, C, D, E, F, G, H) Q.6 F {CH>G A BC B CFH EA FEG) How many candidate keys does the relation R have 2 B CFH EA FEG [GATE 20 (A) 3 (B) 4 (C) 5 (D) 6 L M R Ans. (B) A, B, C, E, F, H G D is in relation but not in FD's 2014 A {A, B, C, E, F G, H} C {C) B {A. B, C, E, F G H} D = {D} E E, A, B, C, F, G, H) F' (F, E, G, A, B, c, H) So, candidate keys are AD BD ie. 4 ED FD FC D A B
  • 1 Answer(s)
  • 0 Likes
  • 1 Comments
  • Shares
  • Komal bhati Best Answer
    refer the image.. hope you got it..
    • cropped2204382872887219522.jpg
    Likes(0) Reply(0)
Head Office :
MPA 44, 2nd floor, Rangbari main Road Mahaveer Nagar II, Kota (Raj.) - 324005

Branch Office (Jaipur):
Shyam Tower, Plot No. F2, 6th Floor Amrapali Circle,
Vaishali Nagar, Jaipur, Rajasthan 302021

Mail: info@eduncle.com
All Rights Reserved © Eduncle.com