Basic HTML version of Foils prepared 7 October 97

Foil 38 Why Database Support for VRML ?

From VRML and Use of Databases as backend and Application to GIS ARL Database Tutorial -- February 98. by Krzysztof Walczak
1 Database system is used to store the data
  • fast retrieval of data (indexing)
  • language to query and manipulate data
  • simultaneous access by multiple users
2 Database keeps information about the components - not the final VRML form - semantic modeling
  • easy and powerful update
  • more compact storage
3 VRML representation is created dynamically
  • result is up-to-date
  • multiple views on the same data are possible
  • queries can select parts of the data
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© on Mon Oct 13 1997