Exam 9: Data Design

_____, a coding method that uses one byte per character, is used on most personal computers.

Migrating a traditional database design to the web can require design modification, additional software, and some added expense.

A _____, which is a framework for organizing, storing, and managing data, consists of files or tables that interact in various ways.

Matching ​Identify the letters of the choices that best match the phrases or definitions. -A widely used method of visualizing and documenting software systems design

The data mining technique that relies on association rule learning is often called _____.

_____ are numbers or letters assigned in a specific order.

-In the accompanying figure, a _____ is a field or combination of fields that uniquely and minimally identifies a particular member of an entity.

-A _____, which is not unique, is a field or combination of fields that can be used to access or retrieve records.​

A repeating group is a set of one or more fields that can occur only once in a single record, with each occurrence having the same value.

Web-based designs are dependent on a specific combination of hardware and software.​

A common field is an attribute that appears in only one entity.

_____ is the process of converting readable data into unreadable characters to prevent unauthorized access to the data.

Matching ​Identify the letters of the choices that best match the phrases or definitions. -A kind of storage that refers to data that a user can view, regardless of how or where the information actually is organized or stored

_____ enables Java applications to exchange data with any database that uses SQL statements and is compliant with its standard.

-In the accompanying figure, any field that serves as a primary key is called a _____.​

_____, a coding method that uses one byte per character, is used on mainframe computers and high-capacity servers.

Case 9-2 ​Emily is functioning with her customer, Anna, on the design of a new database. She describes to Anna that key fields are utilized to access, coordinate, and preserve the data records. -Anna asks if it is manageable to fetch records using a field or combination of fields that is not unique. Emily tells her that it is possible using one type of key. Identify the type of key used here.

In a web-based design, the Internet serves as the _____ for the database management system.

Matching ​Identify the letters of the choices that best match the phrases or definitions. -A set of rules that avoids data inconsistency and quality problems

EBCDIC and ASCII both require _____ bits for storage of each character.