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Exam 11: Databases

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Question 21

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Data redundancy can occur due to lack of data integrity.

A) True
B) False

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Question 22

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The duties of a database administrator include the determining of which people have access to what kinds of data in the database, referred to as _____ rights.

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Question 23

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In a(n) _____ database, not all the data in a database is physically located in one place.

These databases store not only data but also instructions to manipulate the data.

Explain the components of data organization.

Information collected by an organization from a variety of external and internal databases is stored in this special type of database.

This occurs when transactions are collected and processed all at once.

The logical arrangement of data in a database is called the database model.

Which view of data deals with how the data is actually formatted and located?

The analysis tools associated with the data manipulation subsystem that support querying databases include _____ and structured query languages (SQL).

What are the advantages of having databases?

List and describe the five basic DBMS subsystems.

This commercial database offers news and information on legal, public records, and business issues.

Having several instances of the same data is called data:

Data _____ ensures that there aren't multiple sources of the same data.

The data and the DBMS are stored either on the user's hard-disk drive or on a LAN file server in these databases.

Which of the following is not an advantage of using a database?

This subsystem defines the logical structure of the database, such as a field names and data types.

Explain commercial databases with examples.

Database tables can be related or connected to other tables by common key fields.