Docs Menu
Docs Home
/
MongoDB Manual

MongoDB CRUD Operations

On this page

  • Create Operations
  • Read Operations
  • Update Operations
  • Delete Operations
  • Bulk Write

CRUD operations create, read, update, and delete documents.

You can connect with driver methods and perform CRUD operations for deployments hosted in the following environments:

You can perform CRUD operations in the UI for deployments hosted in MongoDB Atlas.

Create or insert operations add new documents to a collection. If the collection does not currently exist, insert operations will create the collection.

MongoDB provides the following methods to insert documents into a collection:

In MongoDB, insert operations target a single collection. All write operations in MongoDB are atomic on the level of a single document.

The components of a MongoDB insertOne operations.

For examples, see Insert Documents.

Read operations retrieve documents from a collection; i.e. query a collection for documents. MongoDB provides the following methods to read documents from a collection:

You can specify query filters or criteria that identify the documents to return.

The components of a MongoDB find operation.

For examples, see:

Update operations modify existing documents in a collection. MongoDB provides the following methods to update documents of a collection:

In MongoDB, update operations target a single collection. All write operations in MongoDB are atomic on the level of a single document.

You can specify criteria, or filters, that identify the documents to update. These filters use the same syntax as read operations.

The components of a MongoDB updateMany operation.

For examples, see Update Documents.

Delete operations remove documents from a collection. MongoDB provides the following methods to delete documents of a collection:

In MongoDB, delete operations target a single collection. All write operations in MongoDB are atomic on the level of a single document.

You can specify criteria, or filters, that identify the documents to remove. These filters use the same syntax as read operations.

The components of a MongoDB deleteMany operation.

For examples, see Delete Documents.

MongoDB provides the ability to perform write operations in bulk. For details, see Bulk Write Operations.

Back

Verify Package Integrity

Next

Insert Documents