Critical Thinking Questions Case 2 in Your Database Course, Your

question 136

Multiple Choice

Critical Thinking Questions Case 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 fiel d. What kind of check should you run on this field?

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