Critical Thinking Questions Case 11-2 in Your Database Course, Your

question 133

Multiple Choice

Critical Thinking Questions Case 11-2 In your database course, your instructor has given you a small database that has a lot of invalid data, issuing the challenge to you that you work to apply validation rules to the data and determine what checks need to be applied in order to restore integrity to the data. The instructor tells you that this is a mailing database, and yet you can see at a glance that there are some records with no data in the city field. What kind of check should you run on this field?

• A) completeness check
• B) range check
• C) consistency check
• D) check digit

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Definitions:

Lowercase

Referring to the smaller form of letters in certain alphabets, not capitalized.

Parallel Arrays

Two or more arrays that are used together, where corresponding elements in each array are related in some way, often used to store related data.

Same Subscript Value

A situation where different array elements are accessed using the identical index number.

Arrays Of Structures

A data structure in C and C++ that allows storing multiple instances of structs in an array format.