~azzar1/unity/add-show-desktop-key

Viewing all changes in revision 1099.4.4.

  • Committer: Nick Chadwick
  • Date: 2009-02-20 23:01:15 UTC
  • mto: (1099.1.180 new-dispatch)
  • mto: This revision was merged to the branch mainline in revision 1100.
  • Revision ID: chadnickbok@gmail.com-20090220230115-3siukvo56bu7bcae
Made what should (hopefully) be the last changes to the database schema.

Worksheet_Exercise now has a SERIAL primary key, to deal with a 
limitation in Storm References. Exercise Saves and Attempts now link
to a specific WorksheetExercise, which links a specific worksheet
to an exercise.

This new system should allow us to easily extend it to be 
version-controlled in future.

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