MongoDB Collection

How-tos How to Remove Duplicates in MongoDB This tutorial provides a comprehensive guide on how to remove duplicates in MongoDB. Learn effective methods using the Aggregation Framework, deleteMany command, and unique indexes … ↗ How-tos How to Check if a Collection Exists in MongoDB Using NodeJS This tutorial will discuss how to check if a collection exists in MongoDB using NodeJS. Learn about various methods such as using listCollections, countDocuments, and … ↗ How-tos How to Drop or Delete a Collection in MongoDB This tutorial article will tell you how to delete collections in MongoDB database and what are different methods to delete collections in MongoDB. ↗ How-tos How to Add New Field to Every Document in a MongoDB Collection You will learn about the $set and $setOnInsert operations in this article post. Furthermore, utilizing these two operators, the challenge of adding a field to a collection in … ↗ How-tos How to Copy a Collection Within the Same Database in MongoDB This tutorial demonstrates how to copy a collection within the same database using the mongodump, monogrestore, aggregate function, and forEach loop. ↗ How-tos How to Combine Two Collections Into One Collection Using MongoDB This tutorial demonstrates how to combine or join two collections into one collection using MongoDB. ↗ How-tos How to Truncate Collection in MongoDB This article teaches how to truncate a collection in MongoDB. ↗