Exam 5: Database Management Systems

The applications approach to data management decouples the data from the applications or other users of the data.

Which of the following advantages of the database approach does not occur because of a reduction in data redundancy?

In the _____________________ to business event processing, each application collects and manages its own data.

Which of the following is not a database model discussed in Chapter 5:

The model that includes abstract types that allow users to define data to be stored in the database is the

The ____ database model works well for simple data structures, but falls apart quickly when the data becomes more complex.

An expert system makes decisions based on rules of thumb (heuristics) that are stored in the system's knowledge base.

In a(n) ____ database model, a child record may have more than one parent.

A unique identifier that serves as an address for each row in a database is called

Which of the following statements about expert systems (ES) is false:

Business process such as hiring employees, purchasing inventory, and collecting cash from customers are called ____________________.

Data mining refers to the exploration, aggregation, and analysis of large quantities of varied data from across the organization to better understand an organization's business processes, trends within these processes, and potential opportunities to improve the effectiveness and/or efficiency of the organization.

A description of a portion of a schema is referred to as a subschema.

The coding system that is most understandable by human information processors is:

The ____________________ approach attempts to describe all aspects of the business events and processes under consideration.

The exploration, aggregation, and analysis of large quantities of varied data from across the organization is known as:

Because it uses alphabetic characters, a(n) ____________________ coding system makes it easier for human beings to remember the codes.

The computer software needed to implement a database approach to data management that is not needed with the applications approach to data management is:

_________________________ can be used to capture and retain the expertise of retiring employees.

A company uses a 7-digit number to identify customers.For example, the customer 1532789 indicates the following information: digits 1-2, state, 15 = Georgia Digit 3, type of organization, 3 = government agency Digit 4, credit terms, 2 = 2/10, n/30 Digits 5-7, unique customer identifier, 789 This type of coding scheme is: