Oracle Foundation: Relational Database Design
Course Description
This course covers the steps involved in the design of a relational database using the Oracle CASE *Method.
1 Day
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Prerequisites
NoneIntroduction
What is a data model?Why develop and utilise an entity relationship model
Other aspects of the data model
Data model input
Components of an entity relationship model
Entities
DefinitionExamples
Determining entities
Entity classification
Relationships
DefinitionExamples of relationship ends
Examples of relationship types
Determining relationships
Attributes
DefinitionExamples
Determining attributes for each entity
Unique identifiers
Determining UID`s
Unique identifiers within a relationship
The E/R Model
Reading the E/R modelSyntax
Guidelines for a model review
Appearance guidelines of the E/R model
Entity Topics
Supertypes and subtypesExclusive arcs
Internal vs. external entities
Referenced and referencing entities
Advanced Topics
Resolving many to many relationshipsDomains
Derived attributes
Cascading
Non-transferable relationship
Qualified degree
Valid/invalid relationships
Normalisation