https://docs.mongodb.com/getting-started/shell/ Overview Welcome to the Getting Started with MongoDB guide. This guide provides instructions to get you started using MongoDB. The guide covers the following topics: Introduction to MongoDB as well as i…
By default, queries in MongoDB return all fields in matching documents. To limit the amount of data that MongoDB sends to applications, you can include a projection document in the query operation. Projection Document The projection document limits t…
Query Method MongoDB provides the db.collection.find() method to read documents from a collection. The db.collection.find() method returns a cursor to the matching documents. db.collection.find( <query filter>, <projection> ) For the db.collec…
CRUD operations create, read, update, and delete documents. Create Operations 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 th…
JSON can only represent a subset of the types supported by BSON. To preserve type information, MongoDB adds the following extensions to the JSON format: Strict mode. Strict mode representations of BSON types conform to the JSON RFC. Any JSON parser c…
