MongoDB Must Know

This branch covers the MongoDB topics needed for MERN apps.

Topics here

• What MongoDB is.
• Documents and collections.
• MongoDB vs SQL.
• CRUD operations.
• Query and update operators.
• Schema design.
• Embedding vs referencing.
• Indexes.
• Aggregation pipeline.
• Mongoose schema and model.
• Mongoose validation.
• Population.

Practice rule

For every schema, write the read queries first. MongoDB design should follow access patterns.