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MongoDB-method

35 posts

MongoDB - db.collection.CreateIndex() Method

Last Updated: 08 January 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 dropIndex() Method

Last Updated: 05 February 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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MongoDB - findOneAndDelete() Method

Last Updated: 04 March 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 - Find() Method

Last Updated: 28 January 2025

find() method in MongoDB is a tool for retrieving documents from a collection. It supports various query operators and enabling complex queries. It also allows selecting s...read more

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MongoDB - db.collection.findOneAndReplace() Method

Last Updated: 04 March 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 - db.collection.deleteone()

Last Updated: 28 February 2025

The MongoDB deleteOne() method is an essential tool for removing a single document from a collection that matches a specified filter. It is widely used for precise deletio...read more

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MongoDB - db.collection.findOneAndUpdate() Method

Last Updated: 04 March 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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createIndexes() Method in MongoDB

Last Updated: 05 February 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 - copyTo() Method

Last Updated: 08 January 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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How to write a function to get rows from database by multiple columns conditionally ?

Last Updated: 17 August 2021

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 - 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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MongoDB - bulkWrite() Method

Last Updated: 08 January 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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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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Web Technologies

Node.js-Methods

NodeJS-Questions

Mongoose Populate() Method

Last Updated: 08 April 2025

The populate() method in Mongoose is used to automatically replace a field in a document with the actual data from a related document. It simplifies handling referenced do...read more

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Web Technologies

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

Last Updated: 16 April 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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Web Technologies

TCS-coding-questions

React-Questions

NodeJS-Questions