tailieunhanh - Lecture Introduction to Computers: Chapter 11B - Peter Norton's

Chapter 11B - Survey of database systems. This lesson introduces you to enterprise software and discusses its importance in today's organizations. You will also learn about the various types of database management systems that lie at the heart of these applications. | McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 11B Survey of Database Systems Enterprise Software Enterprise definitions Systems throughout the entire organization Very large scale computer systems Historically found on mainframes Modern enterprise runs on PC servers 11B- Enterprise Software Suite of programs Handles thousands of users at once Access to millions of records Looks and acts like a DBMS 11B- Enterprise Software Distributed applications Software installed on several machines Data stored on several machines Data placed closest to appropriate users Work load is balanced among machines 11B- Teaching tip An example is very appropriate at this point. A good example is a sales company. There are two divisions: sales and warehousing. The enterprise application allows sales people to see inventory levels. The application is distributed. The inventory levels are stored on servers in the warehouse. The customer and order information are stored on servers in the sales division Enterprise Software Tiers Software between user and data Tiers control one part of enterprise Two tier systems Data storage Client interface Three tier systems Add calculation There is no limit to the tiers 11B- Enterprise Software Meet the needs of many users Applications are very complex Support many types of users Supports many different nationalities Must support large data flow 11B- Enterprise Software Electronic document management EDM Tracks and organizes documents Collaboration between team members Database tracks all changes 11B- Enterprise Software Disconnected databases Connections are given a copy of data Reduces the number of open connections Reduces the data flow needs May result in different versions of data 11B- Teaching tip You can demonstrate disconnected databases in action. Have your entire class access . Walk through the wizard with the computer models in your . | McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 11B Survey of Database Systems Enterprise Software Enterprise definitions Systems throughout the entire organization Very large scale computer systems Historically found on mainframes Modern enterprise runs on PC servers 11B- Enterprise Software Suite of programs Handles thousands of users at once Access to millions of records Looks and acts like a DBMS 11B- Enterprise Software Distributed applications Software installed on several machines Data stored on several machines Data placed closest to appropriate users Work load is balanced among machines 11B- Teaching tip An example is very appropriate at this point. A good example is a sales company. There are two divisions: sales and warehousing. The enterprise application allows sales people to see inventory levels. The application is distributed. The inventory levels are stored on servers in the warehouse. The .

• Hệ điều hành
• Introduction to Computers
• Computer systems
• Computer science
• Database systems
• Enterprise software
• Microsoft SQL server
• Discovering Computers
• A World of Computers
• The Components of a Computer
• Advantages of Using Computers
• Disadvantages of Using Computers
• Computers in society
• Computer defined
• Computers for organizations
• Introduction to java programming
• Introduction to Programs
• Introduction to Java
• TicTacToe Applet
• SelfTest Website
• Transforming data
• Number systems
• Computers represent data
• Java How to Program
• Assembly languages
• Hight level languages
• Introduction to object technology
• Typecal java development environtment
• Bài giảng Nhập môn tin học
• Nhập môn tin học
• Data processing
• Characteristic features of computers
• Computers evolution to their present form
• Computers generations
• Introduction to Computing
• Fundamental Concepts
• Computer History
• Analogue Computers
• First Digital Computers
• Today’s Computers
• Information processing cycle
• Computer hardware
• Software runs the machine
• Internet’s history
• World Wide Web
• Search techniques
• E mail addresses
• File Transfer Protocol
• Internet Relay Chat
• The keyboard
• Input device
• Mechanical mouse
• Inputting data
• Devices for the hand
• Optical input devices
• Audiovisual input devices
• Output device
• Video card
• Cathode Ray Tube
• Electronic magnetic fields
• Impact printers
• High quality printers
• Ink jet printers
• Modern CPUs
• Microcomputer processors
• Advanced micro devices
• Storage devices
• Categorizing storage devices
• Magnetic storage devices
• Improving drive perform ance
• Average access time
• Data transfer rate
• Operating system
• User interface
• Managing hardware
• Network operating systems
• PC operating systems
• Embedded operating systems
• Productivity software
• Acquiring software
• Word processing programs
• Graphics file formats
• Multimedia basics
• Graphics software
• Hybrid networks
• Sharing data
• Local Area Network
• Standard telephone lines
• Digital data connections
• Wireless networks
• Online world
• Internet through wires
• Internet wirelessly
• Consumer level
• Business level