[DN3-4] Managing versioned geospatial databases

Needs for versioned databases, queries for change scenarios using DB management tools, algorithms for performing dynamic queries, role of time-criticality and data security while choosing methods for change detection.

External resources

• Medeiros, C. B., & Jomier, G. (1994, September). Using versions in GIS. In International Conference on Database and Expert Systems Applications (pp. 465-474). Springer, Berlin, Heidelberg.

Learning outcomes

• 794 - Describe an application in which it is crucial to maintain previous versions of the database
  Describe an application in which it is crucial to maintain previous versions of the database
• 795 - Produce viable queries for change scenarios using GIS or database management tools
  Produce viable queries for change scenarios using GIS or database management tools
• 796 - Describe existing algorithms designed for performing dynamic queries
  Describe existing algorithms designed for performing dynamic queries
• 797 - Demonstrate how both the time criticality and the data security might determine whether one performs change detection on-line or off-line in a given scenario
  Demonstrate how both the time criticality and the data security might determine whether one performs change detection on-line or off-line in a given scenario
• 798 - Exemplify how the lack of a data librarian to manage data can have disastrous consequences on the resulting dataset
  Exemplify how the lack of a data librarian to manage data can have disastrous consequences on the resulting dataset

Self assessment

Outgoing relations

• [DN3-4] Managing versioned geospatial databases subclassof [GD3] Transaction management of geospatial data