31. In a relation, the order of the columns does not matter. A. True B. False 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
32. A functional dependency is a relationship between or among attributes. A. True B. False 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
33. A key is a group of one or more attributes that uniquely identifies a row. A. True B. False 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
34. Keys made up of two or more attributes are called composite keys. A. True B. False 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
35. Given the functional dependency R → S , R is called the determinant. A. True B. False 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
36. Relations are categorized into normal forms according to the referential integrity constraints that they have. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
37. A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
38. A functional dependency is always an equation. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
39. A relation has cells that hold multi-value entries. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
40. In a relation, the rows are sometimes called "fields". A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board