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Discovering Computers - Chapter 10: Database Management

Discovering Computers - Chapter 10: Database Management Define the term, databaseDefine the term, database; Identify the qualities Identify the qualities of valuable informationof valuable information; Explain why data is important Explain why data is important to an organizationto an organization. | Chapter 10 Database Management Chapter 10 Objectives Define the term, database Differentiate between a file processing system approach and the database approach Identify the qualities of valuable information Discuss the functions common to most DBMSs Explain why data is important to an organization Describe characteristics of relational, object-oriented, and multidimensional databases Discuss the terms character, field, record, and file Explain how to interact with Web databases Identify file maintenance techniques Discuss the responsibilities of database analysts and administrators Next Data and Information What is a database? Collection of data organized so you can access, retrieve, and use it Database software allows you to Create database Add, change, and delete data p. 514 Database software also called database management system (DBMS) Sort and retrieve data Create forms and reports Next Data and Information How are data and information related? Data is raw facts Information is data that is organized and meaningful Computers process data into information Step 2. The computer extracts the member data from disk. receipt processing Step 1. The member data, including a photograph, is entered and stored on the hard disk. p. 514 Fig. 10-1 data stored on disk Step 3. The receipt is created and printed. Next Data and Information What is data integrity? Degree to which data is correct Garbage in, garbage out (GIGO)—computer phrase that means you cannot create correct information from incorrect data Garbage in Garbage out Data integrity is lost p. .