Exam 5: Data and Knowledge Management

Define each element of the data hierarchy, in order from smallest to largest.

__________ involves the analysis of accumulated data and involves a __________.

In the data hierarchy, the smallest element is the _____.

_____ describes the activities of the business, whereas _____ categorize(s), aggregate(s), and evaluate(s)data generated by the organization's activities.

What are the advantages of a data mart?

Information technologies and systems support organizations in managing data, when this data is managed properly; it becomes information and then knowledge.

Data __________ is a problem minimized by databases.

Not including alphabetic characters in a Social Security Number field is an example of _____.

When you start a job, you are given an employee handbook which contains the company's tacit knowledge.

Secondary keys have some identifying information but do not identify a file with complete accuracy.

_____ is a method for analyzing and reducing a relational database to its most streamlined form.

Discuss the difficulties involved in managing data.

Data governance is an approach to managing functional area information systems.

At your university, students can take more than one class, and each class can have more than one student. This is an example of what kind of relationship?

For the following entity-relationship diagram, the attributes you would NOT expect to see in the Computer entity are:

It is difficult to manage data. For example, it is common for customers to move and for companies to go out of business. This is an example of ___________.