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Replaceone Function In Mongodb

In this article, we will discuss the replaceOne function in MongoDB.

Purpose

The replaceOne function replaces the single document within the collection based on the filter criteria.

Consider the following documents: -

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We require to replace the subject name with MongoDB where the subject name is equal to MongoDB1.

So, the query would be: -

db.Articles.replaceOne({subject:"MongoDB1"}, {subject:'MongoDB1'})

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