TAILIEUCHUNG - 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. .

• Tin học văn phòng
• Discovering Computers
• Database Management
• DatabaseDefine the term
• The Hierarchy of Data
• Maintaining Data
• File Processing Versus Databases
• Introduction to Computers
• A World of Computers
• The Components of a Computer
• Advantages of Using Computers
• Disadvantages of Using Computers
• Discovering computers fundamentals
• Computers fundamentals
• World Wide Web
• System software
• Application software
• Functions of computers
• Internet connections
• Internet access
• Web browser
• User interface
• Multimedia programs
• Key features
• The Component of the system unit
• System units
• Control unit
• Computer keyboards
• Input devices
• Output devices
• Reading devices
• Storage device
• Internal hard disk
• Flash Memory Storage
• Cloud Storage
• Operating systems
• Utility programs
• Operating system functions
• Computer communications
• Uses of computer communications
• Network communications standards
• Computer security risks
• Computer security
• Network attacks
• Unauthorized access
• Information system development
• Programming languages
• System development
• Program development tools
• Enterprise Computing
• Information systems in the enterprise
• Enterprise wide technologies
• Cloud computing
• The Components of the System Unit
• Data Representation
• Expansion Slots
• Adapter Cards
• Mobile Computers
• History of the Internet
• How the Internet Works
• Web Publishing
• Internet Services
• Business Software
• Multimedia Software
• Application Software for Communications
• Alone Utility Programs
• The Keyboard
• Pointing Devices
• Voice Input
• Smart Phones
• Digital Cameras
• Video Input
• Display Devices
• Flat Panel Displays
• CRT Monitors
• Putting It All Together
• Magnetic Disks
• Optical Discs
• Miniature Mobile Storage Media
• Summary of Storage
• Operating System Utility Programs
• Types of Operating Systems
• Communications Software
• Communications Over the Telephone Network
• Communications Devices
• System Development Cycle
• Implementation Phase
• Support Phase
• Information System Security
• Program Development
• Low Level Languages
• Procedural Languages
• Object Oriented Programming Languages
• Backup Procedures
• Summary of Enterprise Computing