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CRUD operations

CRUD stands for Create, Read, Update, and Delete—these are the basic operations that you can perform on data stored in a MongoDB database. Below is an overview of how CRUD operations are implemented in MongoDB:

Create​

To insert data into a MongoDB collection, you can use methods like insertOne() and insertMany().

Read​

Reading or querying data in MongoDB can be done using methods like find() and findOne().

Update​

Updating documents in a MongoDB collection can be done using methods like updateOne(), updateMany(), and replaceOne().

Delete​

Deleting documents can be done using methods like deleteOne() and deleteMany().

Advanced options​

  • MongoDB also supports more advanced CRUD operations, including bulk writes and transactions.
  • You can also use various query operators ($gt, $lt, $in, etc.) and update operators ($set, $unset, $push, etc.) to perform more complex queries and updates.