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Unformatted text preview: 16. What part of a database contains data descriptions and defines the name, data type, and length of each field in the database? 17. What is another name for the data dictionary in a database? 18. What are other options of data entry into a database other than keying data directly into the database? 19. What type of query displays a subset of data from two or more tables using a common field? 20. How is database redundancy reduced in a database? 21. What are the characteristics of selecting a field as a primary key? 22. The process within the database design of ensuring that data entered into a database meets validation rules is called __________ . 23. What type of check ensures that all fields in a database defined as "required" have data entered into them? 24. What is a required field in a database? 25. What usually happens if you violate validation rules in a database? 26. What is a data warehouse?...
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This note was uploaded on 05/20/2010 for the course CIS 110 taught by Professor Raney during the Spring '10 term at Grossmont.
- Spring '10