![]() If all you know is the number of vCores and servers in your existing database cluster, read about estimating request units using vCores or vCPUs.Trying to do capacity planning for a migration to Azure Cosmos DB? You can use information about your existing database cluster for capacity planning.Explore MongoDB samples with Azure Cosmos DB for MongoDB.Learn how to use Robo 3T with Azure Cosmos DB for MongoDB.Learn how to use Studio 3T with Azure Cosmos DB for MongoDB.This will delete the "users" collection and all of its documents permanently. For example, if you wanted to delete the "users" collection, you would use the following command: db.users.drop() To delete an entire collection, use the drop() method. ![]() It's important to note that both of these methods return an object with the following properties:ÄeletedCount: The number of documents deleted.Īcknowledged: This property will be true. For example, if you wanted to delete a user with the name "John Doe" from the "users" collection, you would use the following command: db.leteOne() The deleteOne() method is used to delete a single document from a collection that matches a specific filter. You can do this using the deleteOne() or deleteMany() method. The most common way to delete data in MongoDB is to delete individual documents from a collection. Understanding the deleteOne() and deleteMany() Methods In this guide, we will cover everything you need to know about deleting data using the Mongo Shell (Mongosh). One of the most basic operations is deleting data in a collection.
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