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Rebecca McCreadyFaculty of Medical SciencesNewcastle University

Lecture 2 – Relationships and Lookup fields

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Introduction to Databases

• The ‘relationship’ in the database• Types of relationship• Lookup fields• Relationship diagrams

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The ‘relationship’

• Primary key – Foreign keyIn Excel

In Access

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Types of relationships

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Lookup fields

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Relationship diagrams

• Display the links between tables graphically.