Entities and Relationships in Database Design

Entities and Relationships in Database Design

NPTEL-NOC IITM via YouTube Direct link

Intro

1 of 14

1 of 14

Intro

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Entities and Relationships in Database Design

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  1. 1 Intro
  2. 2 Degree of a relationship
  3. 3 Diagrammatic Notation for Relationships
  4. 4 Binary Relationships and Cardinality Ratio
  5. 5 Cardinality Ratios
  6. 6 Cardinality Ratio - example (one-to-one)
  7. 7 Cardinality Ratio - example (many-to-one/one-to-many)
  8. 8 Cardinality Ratio - example (many-to-many)
  9. 9 Participation Constraints
  10. 10 Example of total/partial Participation
  11. 11 Structural Constraints.
  12. 12 Comparing the Notations
  13. 13 Attributes for Relationship Types - More Examples
  14. 14 Recursive Relationships and Role Names

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