CRUD Operations

Create, Read, Update, and Delete are the four basic functions of persistent storage. This module dives deep into how MongoDB handles these operations, moving beyond simple syntax to explore Atomicity, Performance, and the BSON document model.

Module Contents

1. Create & Read Operations

Master the basics of inserting documents and querying them. Understand the “First Principles” of BSON, the Wire Protocol, and why insertMany is faster than insertOne.

2. Update & Delete Operations

Learn to modify data safely using atomic operators like $inc and $set. Visualizing Write Concern to understand the trade-off between latency and durability.

3. Embedded Documents & Arrays

Unlock the power of hierarchical data. Learn to query nested fields using dot notation and manipulate arrays with $push, $pull, and $elemMatch.

Review & Cheat Sheet

Test your knowledge with interactive flashcards and grab a quick reference guide for common operators.