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MongoDB-method

35 posts

How To Build a Basic CRUD App With Node and React ?

Last Updated: 23 July 2025

In this article, we will explore how to build a simple CRUD (Create, Read, Update, Delete) application using Node.js for the backend and React for the frontend. Additional...read more

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TCS-coding-questions

React-Questions

NodeJS-Questions

Mongoose Populate() Method

Last Updated: 10 October 2025

The populate() method in Mongoose automatically replaces a referenced field (ObjectId) with the actual document from another collection. It makes working with related data...read more

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How to Move MongoDB Document from one Collections to Another ?

Last Updated: 01 August 2024

Mongoose is an essential ODM (Object Data Modeling) library for MongoDB designed to work seamlessly with Node.js. It provides a structured way to define schemas, making it...read more

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Node.js-Methods

NodeJS-Questions

MongoDB - bulkWrite() Method

Last Updated: 23 July 2025

The bulkWrite() method in MongoDB is a powerful tool that allows for the execution of multiple write operations with a single command. This method is particularly useful f...read more

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MongoDB - Bulk.insert() Method

Last Updated: 08 January 2025

In MongoDB, the Bulk.insert() method is used to perform insert operations in bulk. Or in other words, the Bulk.insert() method is used to insert multiple documents in one ...read more

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How to write a function to get rows from database by multiple columns conditionally ?

Last Updated: 23 July 2025

MongoDB, the most popular NoSQL database, we can get rows from the database by multiple columns conditionally from MongoDB Collection using the MongoDB collection.find() f...read more

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Web Technologies

MongoDB-operators

MongoDB - copyTo() Method

Last Updated: 23 July 2025

MongoDB copyTo() method is used to duplicate the contents of one collection into another collection within the same database. It's like making a copy of a file on your com...read more

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createIndexes() Method in MongoDB

Last Updated: 23 July 2025

MongoDB is a highly scalable NoSQL database that allows flexible data storage. One of the most powerful features for improving query performance is indexing. The createInd...read more

MongoDB - db.collection.findOneAndUpdate() Method

Last Updated: 23 July 2025

The MongoDB findOneAndUpdate() method is used to update the first matched document in a collection based on the selection criteria. It offers various options such as sorti...read more

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MongoDB - Find() Method

Last Updated: 18 September 2025

The find() method retrieves documents from a MongoDB collection, offering query filters, projection to include or exclude fields, and parameters to customize results while...read more

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MongoDB - db.collection.CreateIndex() Method

Last Updated: 23 July 2025

MongoDB's createIndex() method is used to create indexes on collections which allows for efficient querying and sorting of data. This method supports various types of inde...read more

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MongoDB - db.collection.deleteone()

Last Updated: 17 September 2025

The deleteOne() method in MongoDB removes a single document from a collection that matches a specified filter. It is useful for deleting a specific document based on given...read more

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MongoDB - db.collection.findOneAndReplace() Method

Last Updated: 23 July 2025

The findOneAndReplace() method in MongoDB is a powerful tool for finding and replacing a single document within a collection. This method replaces the first document that ...read more

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MongoDB - findOneAndDelete() Method

Last Updated: 23 July 2025

MongoDB is a widely used NoSQL database that provides flexibility and scalability for handling large volumes of data. One of the key methods in MongoDB for document deleti...read more

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MongoDB dropIndex() Method

Last Updated: 23 July 2025

Indexes are important in MongoDB for improving query performance, allowing the database to quickly find the documents that match query criteria. The dropIndex() method in ...read more

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