Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Download
Find candidate key easily (in Hindi)
402 plays

More
Easy trick to find candidate key in DBMS for NTA NET computer science examination.

Nisha Mittal is teaching live on Unacademy Plus

Nisha Mittal
🌟 MCA Gold Medalist 🌟 Star Educator 🌟Gate Qualified 🌟YouTuber ☆🌟BOOK published on LINUX ADMINISTRATION by kalyani publisher ☆🌟 7+ years teac

Unacademy user
mam how we calculate number of candidate keys in a relation
done.please teach in English I don't know hindi. please give more mcq mam
Done mam....need more questions from u..thnx
  1. Finding the candidate keys


  2. Finding the candidate keys


  3. Finding the candidate keys


  4. R = ABCDE F = { A-> BE. C-> BE, B-> D)


  5. R ABCDE, F- {A-> BE, C-> BE, B-> D) attribute closure: A+ABDE B+ BD C+CBDE D+ D E+E


  6. R ABCDE, F- {A-> BE, C-> BE, B-> D) attribute closure: A+ABDE B+ BD C+CBDE D+ D E+E The 2 attributes that can not be attained from any functional dependency AC. AC+ A,C,B,E,D)


  7. R-ABCD, F-A-> BCD, C->A) Attribute closure: A+ABCD B+ B C+ABCD D+ D Our candidate keys are A and C


  8. unacademy All live & Lessons by all Weekly quizzes structured courses top Educators & doubt-clearing 001-11 US NISHA MITTAL Referral Code - nishamittal86-2742