E-R Diagram Introduction:- In 1976 ‚Chen developed the Entity-Relationship Diagrams ‚a high-level data model that is useful in developing a conceptual design for database . An ER diagram is a diagram containing entities or “items”‚ relationships among them‚ and attributes of the entities . The E-R model is one of the best known tools for logical database design. Within the database community‚ it is considered a natural and easy-to-understand way of conceptualizing the structure of database.
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Topology Diagram Topology Name Logical Characteristics Physical Characteristics Star Data passes through the hub to reach other devices on the network. Several devices having its own cable that connects to a central hub‚ or sometimes a switch‚ or even a Multi-station Access Unit (MAU). Data passes through the hub to reach other devices on the network. Ring Information is passed from one computer to another in either clock-wise direction or counter clock-wise direction and
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starts you can tell that a fight is going to go down. Two young kids‚ that we will call Blue Shirt and Red Shirt‚ are staring at each other‚ arguing‚ and all pumped to go. If you’ve seen any fights before you know that neither of these fellows is ready to back out. Especially kids! They always feel like they have something to prove.
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An executive summary for managers and executives can be found at the end of this article Green marketing of cosmetics and toiletries in Thailand Lalit M. Johri Associate Professor at the School of Management‚ Asian Institute of Technology‚ Klong Luang‚ Pathumthani‚ Thailand Kanokthip Sahasakmontri Retail Network Strategic Planning Assistant‚ Shell Companies in Thailand‚ Klongtoey‚ Bangkok‚ Thailand Introduction The green marketing of products and services is an important development in
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Component Diagram Notations The component diagram’s main purpose is to show the structural relationships between the components of a system. In addition‚ component diagrams are useful communication tools for various groups. In creating a component diagram‚ there are different notations that can be used to show the different relationship of each component within the system. The component diagram notation set now makes it one of the easiest UML diagrams to draw: * COMPONENT A component can
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Chief executive officer is the most important figure in strategic managementprocess. S/he plays many roles in an organization. Planning‚ organizing‚leading‚ and controlling are the major parts of management activities that amanager performs. Actually‚ strategic management is the top-levelmanagement. It covers all the management functions because it starts fromplanning such as environmental analysis and strategic choice‚ associated withorganizing and leading in implementation phase‚ and lastly also
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Fishbone Diagram J. Reszka Saint Mary ’s University of Minnesota Schools of Graduate & Professional Programs Project Integration and Quality – PRM613R Michael Brown‚ M.A.‚ M.S.‚ Adjunct Instructor April 4th‚ 2013 Fishbone Diagram (Cause/Effect Diagram or Ishikawa Diagram) Introduction Fishbone Diagrams also known as Cause and Effect Diagrams or Ishikawa Diagrams are a quality tool that illustrates how various factors may be linked to potential problems or effects (Project Management
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Contents ERD (Entity Relation Diagram) 2 2.1 History of ERD 2 2.2 Building Blocks 2 2.2.2 Relationship 2 2.3. Diagramming Conventions 3 MS ACESS TABLE 5 3.1 Parts of Table 6 3.2 Creating Tables in Access 6 Chapter No 2 ERD (Entity Relation Diagram) 2.1 History of ERD An entity-relationship model (ERM) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method‚ used to produce a type of conceptual schema or semantic data
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7.7.4 Activity Diagram The progressions of an action chart are operations‚ particularly exercises from the state model. The motivation behind an action chart is to demonstrate the progressions inside an intricate procedure and the sequencing requirements among them. A few exercises run perpetually until an outside occasion interferes with them‚ yet most exercises inevitably finish their work and end themselves [7]. The finishing of a movement is a fruition occasion and normally demonstrates that
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Logic to Ladder Diagram There are some methods to do PLC programming. The programming methods can be with Logic Ladder Diagram‚ mnemonic (statement list)‚ and / or function block diagram. One of the PLC programming methods that are very commonly used programming using PLC ladder diagram. The method is practical and easy to understand. The programmer in charge of writing a program should describe an electronic switch circuit. It can be designed to perform the conversion of electronic circuits that
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