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Message: <blockquote data-quote="simpleboy" data-source="post: 20777529" data-attributes="member: 528087"><p><strong><u>2015 DB past paper</u></strong></p><p></p><p><span style="font-size: 10px"><strong>Consider the relation R1 (A, B, C, D, E) with the given Functional Dependencies to answer</strong></span></p><p><span style="font-size: 10px"><strong>Questions from 26 to 27.</strong></span></p><p><span style="font-size: 10px"><strong>D→ EF, CD → A, A → B</strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>26) What is/are the candidate key(s) of the relation R1?</strong></span></p><p><span style="font-size: 10px"><strong>(a).  (C, E) </strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>(b).  (C, A) </strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>(c).  (C, D)</strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>(d).   D </strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>(e).  C</strong></span></p><p><span style="font-size: 10px"><strong></strong></span></p><p><span style="font-size: 10px"><strong>27) Which of the following statements is/are true?</strong></span></p><p><span style="font-size: 10px"><strong>(a) The Functional dependency C→ A violates 1 NF.</strong></span></p><p><span style="font-size: 10px"><strong>(b) The best normal form of the relation R1 satisfies is 1 NF.</strong></span></p><p><span style="font-size: 10px"><strong>(c) The Functional dependency A→ B violates 2 NF.</strong></span></p><p><span style="font-size: 10px"><strong>(d) The best normal form of the relation R1 satisfies is 2 NF.</strong></span></p><p><span style="font-size: 10px"><strong>(e) The Functional dependency A→ B violates 3 NF.</strong></span> </p><p></p><p><span style="font-size: 12px"><span style="color: DarkSlateBlue"><strong></strong></span></span></p><p><span style="font-size: 12px"><span style="color: DarkSlateBlue"><strong><span style="color: Navy">mekata answer eka ganne kohomada machanla plz help!!!</span></strong></span></span></p></blockquote><p></p>

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