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MongoDB Query

34 posts

Difference Between findAndModify and Update in MongoDB?

Last Updated: 05 March 2024

MongoDB, with its flexible document-based data model, offers a range of methods for updating data within collections. Two of the most commonly used methods, findAndModify ...read more

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How to Query for Documents Where Array Size is Greater Than 1 in MongoDB

Last Updated: 02 July 2024

MongoDB's flexibility in managing arrays within documents is invaluable for modern applications. Sometimes, we might need to find documents where an array field contains m...read more

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How to Paginate with Mongoose in Node.js?

Last Updated: 12 March 2024

When working with large datasets in Node.js applications using Mongoose, fetching and displaying all records at once can lead to performance issues. Pagination is a techni...read more

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How to Create a MongoDB Dump of Database

Last Updated: 19 February 2025

MongoDB is a popular NoSQL database known for its flexibility, scalability, and ease of use. However, to protect our data from potential data loss or corruption, it’s crit...read more

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How to Use findOneAndUpdate() in Mongoose?

Last Updated: 19 March 2024

In the world of MongoDB and Node.js development, Mongoose serves as a powerful tool for interacting with MongoDB databases. One of Mongoose's key methods, findOneAndUpdate...read more

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How to Properly Reuse Connection to MongoDB Across NodeJs

Last Updated: 19 March 2024

Efficiently managing database connections is important for Node.js applications using MongoDB. MongoDB connection reuse in Node.js is a practice that optimizes resource ut...read more

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How to Update Objects in a Document's Array in MongoDB?

Last Updated: 23 October 2024

In the area of MongoDB, managing a database with a large collection of documents can be challenging especially when it comes to updating specific objects within arrays of ...read more

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How to Listen for Changes to a MongoDB Collection?

Last Updated: 30 July 2024

Tracking changes in MongoDB is essential for applications requiring real-time updates or synchronization with the database. Traditionally, this was achieved through pollin...read more

How to List all Databases in the Mongo Shell?

Last Updated: 21 October 2024

Knowing how to list databases in MongoDB is an important part of managing your data effectively. By using basic MongoDB shell commands, you can easily see what databases y...read more

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How to Change the Type of a Field?

Last Updated: 24 July 2024

Data types are essential in programming and databases by defining the kind of data a variable or object can hold. In MongoDB, data types classify and organize data by enab...read more

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How to Find Document with Array that Contains a Specific Value in MongoDB

Last Updated: 26 March 2024

MongoDB is a popular choice for developers working with large volumes of data, due to its flexibility and powerful querying capabilities. One common task developers face i...read more

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How to Remove a Field Completely From a MongoDB Document?

Last Updated: 26 March 2024

In MongoDB, managing data is flexible and efficient, allowing developers to adapt to evolving application requirements easily. One common operation is removing fields from...read more

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How to Query MongoDB ObjectId by Date?

Last Updated: 26 March 2024

MongoDB ObjectId is an important element in document identification, but can it help us with date-based queries? Understanding the ObjectId's structure and its potential f...read more

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How to Inserts float When trying to Insert Integer in MongoDB

Last Updated: 26 March 2024

MongoDB, a popular NoSQL database, provides flexibility in defining data types for fields within documents. However, when attempting to insert integer values into fields d...read more

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How to Manage Data with MongoDB

Last Updated: 21 February 2025

Effective data management is critical for the success of any application. MongoDB, a leading NoSQL database, offers a flexible and scalable solution for handling unstructu...read more