Free Course — No signup required

Learn MongoDB
in 5 Days

MongoDB stores data as flexible JSON documents — perfect for modern apps. Learn CRUD, aggregation pipelines, indexes, Atlas, and Mongoose.

5 lessons
Self-paced
~60 min/day
Free forever
Start Day 1 — Free → See what's covered
What you'll learn

MongoDB in 5 Days

MongoDB stores data as flexible JSON documents — perfect for modern apps. Learn CRUD, aggregation pipelines, indexes, Atlas, and Mongoose.

  • Insert, find, update, and delete documents
  • Write aggregation pipelines for analytics
  • Create indexes for fast queries
  • Use MongoDB Atlas for cloud-hosted databases
  • Connect MongoDB to Node.js with Mongoose
5
practical lessons
JSON
native document model
$0
cost to take this course
Atlas
cloud-hosted, free tier
5-Day Curriculum

Every lesson ships working code.
No theory without practice.

01
Documents, Collections, and CRUD
Install MongoDB, understand the document model, and perform all four CRUD operations from the mongo shell.
insertOnefindupdateOnedeleteOne
→
02
Queries and Operators
Filter with comparison, logical, and array operators. Use projection to return only fields you need. Sort and limit results.
$gt/$lt$inprojectionsort/limit
→
03
Aggregation Pipelines
Transform and analyze data with $match, $group, $sort, $lookup (joins), and $project stages.
$match$group$lookup$project
→
04
Indexes and Performance
Create single-field, compound, and text indexes. Use explain() to see query plans and understand index selectivity.
createIndexexplain()compoundtext index
→
05
Atlas and Mongoose
Move to MongoDB Atlas for production, connect with Mongoose, define schemas with validation, and use populate for relations.
AtlasMongooseSchemapopulate()
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems used by thousands. This course skips toy examples and gives you patterns that work in real projects.

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