er modeling

9
SQL ER MODELING

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ER Modeling with Guru99 http://www.guru99.com

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Page 1: ER modeling

SQL

ER MODELING

Page 2: ER modeling

• ER Modeling is a graphical approach to database design.

• In Entity Relationship Modeling, we model entities, their attributes and relationships among entities.

DEFINE

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Page 3: ER modeling

• Enhanced Entity Relationship (EER) Model is a “high level data model” which provides

extensions to original Entity Relationship (ER) model.

ENHANCED ENTITY RELATIONSHIP (EER) MODEL

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Page 4: ER modeling

ER MODEL WITH UML NOTATION

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Page 5: ER modeling

WHY USE ER MODEL?

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Page 6: ER modeling

NOW LETS CREATE EER MODEL USING MYSQL WORKBENCH

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Page 7: ER modeling

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Page 8: ER modeling

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Page 9: ER modeling

•For More Detail on Sql ER-Modeling Visit as at

http://www.guru99.com/er-modeling.html

GURU99 IS ON MISSION TO MAKE EDUCATION FUN AND FREE