I am trying to create ER diagramme through TDM32_Toad_Integration.htm movie,in this movie ,it asks me to open TPR file. when I go to open toad for oracle project, I did not see any TPR file. I really failed to understand , what is this ? Plese let me know how could I find the TPR file or if you could let me know the movie link where I can learn of creating ER diagrammes.