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Exam 10: Database Management

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Question 81

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Discuss at least three applications appropriate for an object-oriented database.

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Question 82

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Which of the following is a database that stores data in tables that consist of rows and columns?

A) object-oriented
B) tabular
C) relational
D) attribute-based

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Question 83

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Discuss the seven qualities of valuable information.

A common reason to change a record is to update old data with new data.

A user of a relational database, such as that pictured in the accompanying figure, refers to a field as what?

Critical Thinking Questions Case 10-1 In your new role as a DBA, you have inherited a database that has a lot of problems. Your first task, you decide, is to identify whether or not the information in your database contains the qualities of valuable information, and which quality may be missing. Once you have worked with the data entry team to make sure that they are getting the monthly sales data into the database in a timely fashion, your next challenge is to change the method of disseminating this information from a printed report that is snail-mailed to all sales managers across the country, to an online dissemination strategy that e-mails the reports to the managers. What kind of information is at issue in this instance?

In a relational database, such as that pictured in the accompanying figure, which of the following is a connection within the data?

COGNITIVE ASSESSMENT Which of the following statements is not true about the database approach?

A DBMS uses which of the following to perform validation checks?

Verifiable information can be proven as correct or incorrect.

Which of the following privileges for data involve establishing who can enter new data, change existing data, delete unwanted data, and view data?

COGNITIVE ASSESSMENT You create a database that stores data in tables that consist of rows and columns. Each row has a primary key, and each column has a unique name. Which data model did you use?

COGNITIVE ASSESSMENT If you are working with Equifax, Experian, or TransUnion, what are you trying to accomplish?

What is a data type? List the data types commonly found in a database.

COGNITIVE ASSESSMENT To what does the term GIGO refer?

A form that sends entered data across a network or the Internet is called which of the following terms?

Which of the following kinds of values is the one that a DBMS initially displays in a field?

Which of the following is a process designed to ensure the data within the relations (tables) contains the least amount of duplication?

COGNITIVE ASSESSMENT What is the purpose of a CGI script?

Which of the following identifies the quality of data in a database?