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Table of Contents Introduction to Mongoose Schema Defining a Mongoose Schema Mongoose Schema Types Setting Default Values Mongoose Validation Built-in Validation Custom Validation Async Validation Validating Arrays and Nested Objects Required Fields and Field...

Table of Contents Introduction to Mongoose What is an ORM (Object Relational Mapping)? Setting Up Mongoose Defining Mongoose Models CRUD Operations Using Mongoose Create (insertOne, insertMany) Read (findOne, find) Update (updateOne, updateMany) Delete...

Table of Contents Introduction What is CRUD? Setting Up the Project Connecting to MongoDB Create Operation (insertOne, insertMany) Read Operation (findOne, find) Update Operation (updateOne, updateMany) Delete Operation (deleteOne, deleteMany) Error Handling &...

Table of Contents Introduction Why Use the Official MongoDB Driver? Installing MongoDB Driver for Node.js Connecting to MongoDB (Local and Atlas) CRUD Operations with the MongoDB Driver Using Connection Pooling Error...

Table of Contents Introduction Understanding Geospatial Data Types of Geospatial Indexes in MongoDB The 2dsphere Index Explained Creating a 2dsphere Index Storing GeoJSON Data Geospatial Query Operators Using $near and $geoWithin The $geoNear...

Table of Contents Introduction What is Full-Text Search? Why Use Text Indexes in MongoDB Creating Text Indexes Performing Text Search Text Index Rules and Limitations Filtering, Sorting, and Scoring Multi-language Support in...

Table of Contents Introduction Why Index Performance Matters The MongoDB Query Execution Process Understanding the explain() Method Output Modes of explain() Key Metrics in explain() Output Comparing Query Plans with and...

Table of Contents Introduction to Indexes in MongoDB Why Indexes Matter Types of Indexes in MongoDB Single Field Indexes Compound Indexes Multikey Indexes Text Indexes Geospatial Indexes Hashed Indexes Creating Indexes in MongoDB Viewing Existing...

Table of Contents Introduction Why Use Aggregation for Analytics? Common Stages in Analytics Pipelines Designing a Real-World Analytics Pipeline Step-by-Step Example: E-commerce Sales Dashboard Best Practices for Analytics Aggregations Performance Tips Conclusion Introduction In...

Updated Table of Contents Introduction to Advanced Aggregation $unwind – Deconstructing Arrays $lookup – Performing Joins in MongoDB $facet – Multi-Faceted Aggregation $bucket – Grouping Data into Ranges $filter –...

Table of Contents Introduction to Aggregation Stages $match Stage – Filtering Documents $project Stage – Reshaping Documents $group Stage – Grouping and Aggregating $sort Stage – Ordering the Output $limit...

Table of Contents What is the MongoDB Aggregation Framework? Why Use Aggregation in MongoDB? Understanding the Aggregation Pipeline Basic Aggregation Example Key Aggregation Stages Aggregation vs Map-Reduce Performance Considerations Conclusion What is the...