MongoDB Indexing & Optimization

Master performance optimization through proper indexing.

Quick Start

Create Indexes

// Single field index
await collection.createIndex({ email: 1 });

// Compound index
await collection.createIndex({ status: 1, createdAt: -1 });

// Unique index
await collection.createIndex({ email: 1 }, { unique: true });

// Sparse index (skip null values)
await collection.createIndex({ phone: 1 }, { sparse: true });