Topic: ER Diagrams
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How to Create ER Diagrams
An Entity-Relationship diagram is a visual representation of the structure of a database. An E-R diagram visually specifies all entities, primary keys, foreign keys, artificial keys and secondary keys. In addition, a dashed line defines rel... Read More »
Source: http://www.ehow.com/how_6742074_create-er-diagrams.html?ref=Track...
What is an Er diagram of payroll?
Drawing Entity Relationship diagram between the various entities of any Payroll System. Example relationship between departments and employee, Leaves and Employee, etc., Drawing the same will help to normalize and improve the Database Desig... Read More »
Source: http://wiki.answers.com/Q/What_is_an_Er_diagram_of_payroll
What Cardinality in ER diagram?
An E-R diagram may also indicate the cardinality of a relationship. Cardinality is the number of instances of one entity that can, or must, be associated with each instance of another entity. In general we may speak of one-to-one, one-to-ma... Read More »
Source: http://wiki.answers.com/Q/What_Cardinality_in_ER_diagram
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ER Diagrams
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Answers to Other Common Questions
Answer Entity Relationship Diagram is a high-level description of a conceptual data model.
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Source: http://wiki.answers.com/Q/What_is_an_ER_Diagram
draw a fat book( hint type it in google images and specify as a clip art)
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Source: http://wiki.answers.com/Q/How_to_draw_er_diagram_for_dictionary
What are Entity Relationship Diagrams? Entity Relationship Diagrams (ERDs) illustrate the logical structure of databases. An ER Diagram Entity Relationship Diagram Notations Peter Chen developed ERDs in 1976. Since then Charles Bachman and...
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Source: http://wiki.answers.com/Q/What_is_ER_Model_and_ER_Diagram
An ER diagram looks at the entities in the clinic and how they are related to each other. So to draw an ER diagram for a clinic first you must identify the various entities such as the physicians, nurses, patients, drugs, etc then you will ...
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Source: http://wiki.answers.com/Q/How_is_ER_diagram_for_clinic_draw
Answer ER diagrame shows the relationship among entities.
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Source: http://wiki.answers.com/Q/What_are_the_benefits_of_using_ER_diagr...
The ER is located usually near the entrance to the hospital. It is one of the most accessible entrances and areas so that help can be readily available.
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Source: http://wiki.answers.com/Q/Where_is_the_ER_on_a_map_or_diagram_of_...
