26. The design guidelines and priorities for read-only databases are different because read-only databases are never updated.
27. The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint.
28. We use the SQL construct COUNT() to count the number of rows in a table.
29. 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.
30. Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated.
31. One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data.
32. One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data.
33. Normalization requires programmers to write more complex SQL.
34. One common design problem when designing a database from existing data is the presence of inconsistent values in the received data.
35. 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.
36. Needing to using more complicated SQL in database applications is a(n) ________ of normalization.
37. Eliminating modification anomalies is a(n) ________ of normalization.
38. Multivalued dependencies should ________ be eliminated.
39. When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:
40. Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?