Exam 6: Databases and Information Management

The ________ operation combines relational tables to provide the user with more information than is available in individual tables.

The discovery and analysis of useful patterns and information from hypertext documents on the Internet is called ________.

In a Web-based database,middleware is used to transfer information from the organization's internal database back to the Web server for delivery in the form of a Web page to the user.

A group of records of the same type is called a ________.

An automated or manual file that stores information about data elements and data characteristics such as usage,physical representation,ownership,authorization,and security is the

A traditional file system can deliver routine scheduled reports after extensive programming efforts;it can also deliver ad hoc reports or respond to unanticipated information requirements in a timely fashion.

Duplicate data in multiple data files is called data ________.

Most DBMS have a specialized language called a ________ that is used to add,change,delete,and retrieve the data in the database.

A one-to-one relationship between two entities is symbolized in a diagram by a line that ends with

Frito Lay wants to introduce a new flavour of potato chips in Canada.They have a great deal of data to help them make the decision to introduce this flavour.They plan on using data-mining techniques,historical data,and assumptions about future conditions to predict outcomes of introducing the new flavour.What tools should they use to analyze the data?

Which of the following database types is useful for storing java applets as well as processing large numbers of transactions?

Microsoft Access and other DBMS include capabilities for ________ so that the data of interest can be displayed in a more structured and polished format.

Jess Wilde works for a large law firm.Every week he gets reports on the cases each lawyer in the firm is working on.He wants to get the files that deal with billing hours for each lawyer and combine that information with the files on individual cases that each lawyer is working on.He discovers that information cannot flow freely across different parts of the organization in this traditional file system.This is an example of ________.

A one-to-many relationship between two entities is symbolized in a diagram by a line that ends with

DBMS for midrange computers include all of the following EXCEPT

How does text mining improve decision making? What are the challenges involved in text mining?

An ________ is a person,place,thing,or event about which we store and maintain

Don Gibb works for a large retail chain.Every month he gets reports on the wages in each store across Canada.He notices that one employee received a 20 percent raise.He calls payroll to find who put this raise into the traditional file system.He is told that there is no way to know who entered that raise in the system.This is an example of ________.

A relational database organizes data in the form of ________-dimensional tables.

A normalized relation contains repeating groups.