Module 13: NoSQL and MongoDB

MODULE 13 · 2 LESSONS

Choose document storage for access-pattern reasons, not as a default replacement for relational data.

Project checkpoint: Model an activity feed and compare embedded and referenced designs.

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Module 13 learning loopA four-step visual showing documents, collections, embedding, references.Module 13 learning loop1Documents2Collections3Embedding4References

Module 13 learning loop

  1. 1Documents
  2. 2Collections
  3. 3Embedding
  4. 4References
Module 13 learning loop: a practical sequence used in this lesson.

What this module changes in your work

  • Decide what to embed or reference based on how the application reads and changes data.
  • Apply schema validation and targeted indexes even in a flexible document model.
  • Use documents, collections, embedding in one coherent implementation.
  • Complete this evidence-backed checkpoint: Model an activity feed and compare embedded and referenced designs.

Lessons

PROJECT CHECKPOINT

Turn nosql and mongodb into evidence

Model an activity feed and compare embedded and referenced designs.

  • Write acceptance criteria for documents before implementation.
  • Keep the change small enough that a reviewer can connect it to the intended behavior.
  • Use the most direct check available for collections and save the result.
  • Record one decision you would keep and one you would revisit after feedback.

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