[DA4-2] Conceptual models

Within an initial phase of database design, a conceptual data model is created as a technology-independent specification of the data to be stored within a database.

External resources

• Nyerges, T. (2017). Conceptual Data Models. In: Wilson, J.P. (ed.) The Geographic Information Science & Technology Body of Knowledge (1st Quarter 2017 Edition)

Learning outcomes

• 325 - Describe the differences between real phenomena, conceptual models, and GIS data representations thereof
  Describe the differences between real phenomena, conceptual models, and GIS data representations thereof
• 642 - Differentiate between conceptual and logical models, in terms of the level of detail, constraints, and range of information included
  Differentiate between conceptual and logical models, in terms of the level of detail, constraints, and range of information included
• 645 - Distinguish between the temporary and structural relationships in a conceptual model

  Distinguish between the temporary and structural relationships in a conceptual model

• 1224 - Define entities and relationships in conceptual data model

  Define entities and relationships in conceptual data model

• 1225 - Understand the degree to which attributes need to be conceptually modeled

  Understand the degree to which attributes need to be conceptually modeled

• 1226 - Explain the objectives of the design phase of a conceptual model

  Explain the objectives of the design phase of a conceptual model

• 1227 - Deconstruct an application use case into its conceptual elements

  Deconstruct an application use case into its conceptual elements

• 1228 - Create a diagram of a conceptual data model for a geospatial application or enterprise database

  Create a diagram of a conceptual data model for a geospatial application or enterprise database

• 1229 - Design application-specific conceptual models

  Design application-specific conceptual models

Self assessment

Outgoing relations

• [DA4-2] Conceptual models subclassof [CF2-2] From concepts to data
• [DA4-2] Conceptual models subclassof [DA4] Database design