dropIndex()

Reference type:Cheat sheetFormat:Syntax + example + use case

Reference group: Indexes and aggregation

What it does

Removes an index.

Syntax

db.collection.dropIndex(nameOrSpec)

Use case

Remove a verified unused index.

Important notes

Evaluate production impact first.

dropIndex(): practical example
db.orders.dropIndex("customerId_1_createdAt_-1")
💡 Explanation Removes an index. When to use it Remove a verified unused index. Caution Evaluate production impact first.
Key Takeaways
  • Removes an index.
  • Typical use: Remove a verified unused index.