the update operation document must contain atomic operators mongodb 1

the update operation document must contain atomic operators mongodb

db.getCollection('users')
  .updateMany(
  {'name':{'$exists':1}}, //Query
  {'$set': { //Values to update
    'name':'New Name'
  	}
  }
)

Here is what the above code is Doing:
1. We’re using the updateMany() method to update multiple documents.
2. We’re using the $exists operator to find all documents that have a name field.
3. We’re using the $set operator to set the name field to New Name.

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