1. Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A. A → B. B. A → C. C. A → (B,C). D. (B,C) → A. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
2. The different classes of relations created by the technique for preventing modification anomalies are called: A. normal forms. B. referential integrity constraints. C. functional dependencies. D. None of the above is correct. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
3. A relation is in this form if it is in BCNF and has no multivalued dependencies: A. second normal form. B. third normal form. C. fourth normal form. D. domain/key normal form. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
4. Row is synonymous with the term: A. record. B. relation. C. column. D. field. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
5. The primary key is selected from the: A. composite keys. B. determinants. C. candidate keys. D. foreign keys. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
