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The original MongoDB implementation of the modulestore. Courses stored in this modulestore have course locators that are SlashSeparatedCourseKeys and serialize to this format:

edX/Demo_Course/2014_T1

Course Format in MongoDB

  • There's a single "modulestore" MongoDB collection.
  • In the collection, each block is stored as a separate document and has _id pointers to its children.
  • There are no versions associated with a course as a whole.
  • Each course has a set of draft modules and a set of published modules.
  • Course key and branch information are stored with each block document.

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