Add multiple documents at once

Update multiple documents at once

Delete a single document from a collection

mongodb/mongodb-delete-many

Delete multiple documents at once

mongodb

delete

multiple

db.users.deleteMany({age:30})

Deletes multiple documents matching the filter. Useful for bulk removal of unwanted data.

Delete all cancelled orders

db.orders.deleteMany({status:'cancelled'})

Retrieve all documents from a collection

Retrieve documents matching a filter

Count number of documents in a collection