One to Many Relationships: Normalized Approach

• How do you model your data using the "normalized" approach?

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  • Store data in separate collections
  • Create a unique identifying key
  • Perform multiple queries

• How do you store data using the "normalized" approach?

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  • var id = ObjectId()
  • db.parent_collection.insert({_id:id, field:value})
  • db.child_collection.insert({field:value,parent_key:id.toString()})

• How do you query using the "normalized" approach?

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  • var parent = db.parent_collection.find({query})
  • db.child_collection.find({parent_key:parent._id.toString()})