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ER DIAGRAM
DATABASE DESIGN
ENTITY / RELATIONSHIP MODELLING
ENTITY / RELATIONSHIP DIAGRAMS
ENTITIES
DIAGRAMMING ENTITIES
ATTRIBUTES
DIAGRAMMING ATTRIBUTES
RELATIONSHIPS
CARDINALITY RATIOS
DIAGRAMMING RELATIONSHIPS
Removing M:M Relationships
MAKING ER MODELS
EXAMPLE
EXAMPLE - ENTITIES
EXAMPLE - RELATIONSHIPS
EXAMPLE : ER DIAGRAM
EXAMPLE : ER DIAGRAM
ENTITIES AND ATTRIBUTES
EXAMPLE : ENTITIES AND ATTRIBUTES
EXAMPLE : ER DIAGRAM ENTITIES AND ATTRIBUTES
EXAMPLES : RELATIONSHIP
EXAMPLE : ER DIAGRAM
