updateMany()
Reference group: Collection CRUD methods
What it does
Updates every matching document.
Syntax
db.collection.updateMany(filter, update, options)
Use case
Backfill or normalize records.
Important notes
Plan batches and monitor load for large collections.
updateMany(): practical example
db.users.updateMany({ status: "trial" }, { $set: { plan: "free" } })💡 Explanation
Updates every matching document.
When to use it
Backfill or normalize records.
Caution
Plan batches and monitor load for large collections.
Key Takeaways
- Updates every matching document.
- Typical use: Backfill or normalize records.