MongoDB

Lessons

1. 1

   Document vs Relational Databases

   Free

   Compare document databases to relational honestly: when MongoDB is the right (and wrong) choice.

   Beginner·30 min
2. 2

   MongoDB Fundamentals

   Use the MongoDB shell: databases, collections, documents, BSON types.

   Beginner·35 min
3. 3

   CRUD Operations

   Use insertOne/insertMany, find/findOne, updateOne/updateMany, deleteOne/deleteMany with atomic operators.

   Beginner·50 min
4. 4

   Query Operators

   Use comparison, logical, element, and array query operators ($eq/$gt/$in/$elemMatch/...).

   Beginner·45 min
5. 5

   Aggregation Pipeline

   Use the aggregation pipeline: $match, $group, $project, $sort, $limit, $lookup, $unwind.

   Intermediate·60 min
6. 6

   Indexing in MongoDB

   Create single-field, compound, text indexes; use explain() to verify queries hit indexes.

   Intermediate·50 min
7. 7

   Schema Design (Embed vs Reference)

   Decide between embedding and referencing, design for query patterns, apply one-to-many + many-to-many.

   Intermediate·55 min
8. 8

   Mongoose (ODM)

   Use Mongoose: schemas, validation, middleware, virtuals, populate.

   Intermediate·60 min
9. 9

   MongoDB Atlas

   Set up a free Atlas cluster, configure access, connect from an app.

   Beginner·40 min
10. 10

    Passion Project: Mongo-backed Web App

    Build, test, and deploy a Mongo-backed web app with schemas, aggregation pipelines, indexes.

    Intermediate·240 min
11. 11

    MongoDB Job Readiness

    Translate MongoDB skills into resume bullets + interview answers for full-stack / backend roles.

    Intermediate·30 min