Exam 6: Databases and Information Management

The ________ extracts current and historical data from multiple operational systems inside the organization.

The select,join,and project operations enable data from two different tables to be ________ and only selected attributes to be displayed.

In ________,a data mining tool discovers different groupings within data,such as finding affinity groups for bank cards.

Web usage mining examines user interaction data recorded by a ________ whenever requests for a Web site's resources are received.

Data ________ describes a situation in which the same attribute of a data entity may have different values.

________ works in a manner similar to classification when no groups have yet been defined.A data mining tool can discover different groupings within data,such as finding affinity groups for bank cards or partitioning a database into groups of customers based on demographics and types of personal investments.

Unlike structured data,which are generated from events such as completing a purchase transaction,________ data have no distinct form.

A(n)________ is software that handles all application operations between browser-based computers and a company's back-end business applications or databases.

Users access an organization's external database through the Web using their desktop PCs and Web browser software.

________ tools are used to analyze large unstructured data sets,such as e-mail,memos,survey responses,etc..,to discover patterns and relationships.

Unlike structured data,which are generated from events such as completing a purchase transaction,________ data have no distinct form.

The use of a traditional approach to file processing encourages each functional area in a corporation to develop specialized applications.

Microsoft Access is a relational DBMS for ________ systems.

Program-data independence refers to the coupling of data stored in files and the specific programs required to update and maintain those files so that changes in programs require changes to the data.

Data mining is a tool for allowing users to

Jane Clark is student at the university.Jane is also employed by the university library.Jane got married two weeks ago and her new last name is Jones.Jane receives her work cheque in the mail addressed to Jane Clark but her grades that come in the mail are addressed Jane Jones.This is an example of ________ of Jane's information.

A data warehouse is typically comprised of several smaller data marts.

Each characteristic or quality describing a particular entity is called an attribute.