Truncate a collection

Question

How do I truncate a collection in MongoDB or is there such a thing?

Right now I have to delete 6 large collections all at once and I\'m stopping the server, deleting

Answer 1

There is no equivalent to the "truncate" operation in MongoDB. You can either remove all documents, but it will have a complexity of O(n), or drop the collection, then the complexity will be O(1) but you will loose your indexes.