31. The design guidelines and priorities for read-only databases are different because read-only databases are never updated. 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. The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint. 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. We use the SQL construct COUNT(*) to count the number of rows in a table. 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. When you are given a set of tables and asked to create a database to store their data, the first step is to create the new database. 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
35. Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated. 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
36. One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data. 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
37. One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data. 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. Normalization requires programmers to write more complex SQL. 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
39. One common design problem when designing a database from existing data is the presence of inconsistent values in the received data. 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
40. When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given. 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