Which of the following normal forms does not exist?(a) BCNF(b) PJNF(c) 5NF(d) None of the mentionedThe question was asked during an internship interview.My enquiry is from Decomposition Algorithms in section Relational Database Design of RDBMS

Which of the following normal forms does not exist?(a) BCNF(b) PJNF(c)

1.	Which of the following normal forms does not exist?(a) BCNF(b) PJNF(c) 5NF(d) None of the mentionedThe question was asked during an internship interview.My enquiry is from Decomposition Algorithms in section Relational Database Design of RDBMS
Answer» The correct option is (d) None of the mentioned The EXPLANATION: All of the mentioned normal FORMS i.e. BCNF, PJNF, 5NF exist. BCNF is Boyce Codd normal form, 5NF is the FIFTH normal form and PJNF is project JOIN normal form.

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