DM-35 - Logical models

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Learning Objectives: 
  • Determine which relationships need to be stored explicitly in the database
  • Create logical models based on conceptual models and general data models using UML or other tools
  • Differentiate between conceptual and logical models, in terms of the level of detail, constraints, and range of information included
  • Evaluate the various general data models common in GIS&T for a given project, and select the most appropriate solutions
  • Distinguish between the incidental and structural relationships found in a conceptual model
  • Explain the various types of cardinality found in databases
  • Define the cardinality of relationships