Tag Archives: Mongoose

The findById() function is used to find a single document by its _id field. The _id field is cast based on the Schema before sending… Read More

The findOne() function is used to find one document according to the condition. If multiple documents match the condition, then it returns the first document… Read More

The findOneAndRemove() function is used to find the element according to the condition and then remove the first matched element. Installation of mongoose module: You… Read More

The updateMany() function is same as update(), except MongoDB will update all documents that match the filter. It is used when the user wants to… Read More

The update() function is used to update one document in the database without returning it. Installation of mongoose module: You can visit the link to… Read More

The findByIdAndRemove() function is used to find a matching document, remove it, passing the found document (if any) to the callback. Installation of mongoose module:… Read More

The findOneAndReplace() function is used to find a matching element, replaces it with the provided element, and passes the returned doc to the callback. Installation… Read More

The estimatedDocumentCount() function is quick as it estimates the number of documents in the MongoDB collection. It is used for large collections because this function… Read More

The deleteOne() function is used to delete the first document that matches the conditions from the collection. It behaves like the remove() function but deletes… Read More

The insertMany() function is used to insert multiple documents into a collection. It accepts an array of documents to insert into the collection. Installation of… Read More

The save() function is used to save the document to the database. Using this function, new documents can be added to the database. Installation of… Read More

The remove() function is used to remove the documents from the database according to the condition. Installation of mongoose module: You can visit the link… Read More

The updateOne() function is used to update the first document that matches the condition. This function is the same as update(), except it does not… Read More

The find() function is used to find particular data from the MongoDB database. It takes 3 arguments and they are query (also known as a… Read More