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Servers, Bases and Systems Information (Unit 2. Databases. (2.1.…

- - - - 1.1. Classification
        
        1 - Operating level systems,
        2 - Knowledge level systems.
        3 - Management level systems.
        4 - Strategic level systems.
        5 - Expert information systems.
        
        1.1.2. Steps for the development of the life cycle of the information system .
        
        to. Planning,
        b. Analysis,
        c. Design,
        d. Implantation,
        and. Support
        
        1.1.3. Information systems environment.
        
        1.1.4. Personnel who manage the information systems.
        
        Handled as follows:
        
        to. Owners of information systems. b. Users of the information system. c. Information systems analysts. d. Designers of information systems. and. Programmers of the information system
        
        1.1.5. Difference between computers and information systems.
        
        1.1.6. Technology used of information systems.
      - 1.2. Structuring of Information Systems.
      - 1.3. Objectives and Challenges of Information Systems.
        
        Objectives
        
        Improve the eficiency,
        Improve product quality,
        Improve the service,
        Improve security,
        Improve information gathering.
        
        Challenges of Information Systems.
        
        The strategic challenge of business.
        The challenge of globalization.
        The challenge of information architecture. The challenge of investing in information systems.
        The challenge of responsibility and control.
      - 1.4. Techniques and Strategies for Balance.
        
        1.4.1. Lines of action to take.
        
        1.4.2. Recommendations to be followed.
        
        Advantage
        
        Ability to retain competitive advantage. Institutional barriers for strat transactions.
- - - - Database Management Package Structures.
        
        File management packages. Relational database management packages.
        Hierarchical and network database management packages.
  - - - 1 - Centralized administration of data,
        access, use and security.
        2 - Delete all
        isolated files in which the same data elements are repeated.
        3 - Provide central control
        of the creation and definition of the data ..
        4 - When separating the image
        physical data of its physical order.
        5 -Maintenance costs can be reduced from
        in a radical way.
        6 - Allow quick and cheap consultations within the large volume of information.
        7 - Access and availability of information can be increased.
  - - - Distributed database.
        Object-oriented database.
        Hypermedia database.
- - - - Accurate information.
        Timely information.
        Complete information.
        Concise information .
  - - - • Do to others what you want them to do to you. • If an action is not correct for everyone, it is not correct for anyone. • If an action cannot be carried out repeatedly, then it is not correct that it be carried out at any time. • Take the action that allows you to reach the highest or largest value.
        • Take the action that produces the least damage, or has the least potential cost.
        • Assume that all objects, tangible and intangible, are someone's property, unless there is a specific statement to the contrary.
    - - • Rights and obligations towards information.
        • Property rights.
        • Control responsibility.
        • Quality of the system.
        • Quality of life.