MongoDB Compound Indexes

Create multi-field indexes to optimize compound query filters.

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A compound index holds references to multiple fields within a collection's documents. The order of fields in a compound index is important (Equality, Sort, Range rule).

Key Takeaways: MongoDB Compound Indexes

Mastering MongoDB Compound Indexes helps you write clean and reliable MongoDB code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

MongoDB Compound Indexes Code Example

MongoDB

db.users.createIndex({ "role": 1, "createdAt": -1 });

Output

Creates index supporting queries filtering by role and sorted by date

Run this example on your own computer. The "Get Started" lesson shows how to set it up.

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MongoDB Compound Indexes

💡 Key Takeaways: MongoDB Compound Indexes

MongoDB Compound Indexes Code Example

Key Takeaways: MongoDB Compound Indexes