The following slides explain Oracle object-relational SQL.

Slide 8.1: Oracle object-relational SQL
Slide 8.2: Creating object types: syntax
Slide 8.3: Creating object types
Slide 8.4: Creating cyclic object types
Slide 8.5: A relational table with object types
Slide 8.6: A relational table with object types (cont.)
Slide 8.7: An object table
Slide 8.8: Object tables vs relational tables with objects
Slide 8.9: Object-relational examples
Slide 8.10: Object references
Slide 8.11: Object references (cont.)
Slide 8.12: Object references (cont.)
Slide 8.13: Constructor methods
Slide 8.14: Constructor methods (cont.)
Slide 8.15: Object type dependencies
Slide 8.16: Data dictionary and objects
Slide 8.17: Data dictionary and objects (cont.)





      “There are three things all wise men fear:    
      the sea in storm, a night with no moon, and the anger of a gentle man.”    
      ― Patrick Rothfuss, The Wise Man’s Fear