MongoDB: deleteMany: delete all the documents from a collection

‘db.collectionName.deleteMany({})’ statement delete all the documents from a collection.

 

Example

db.employee.deleteMany({})

> db.employee.find()
{ "_id" : ObjectId("60ba0a678e67ad0ff5b02998"), "firstName" : "Jessi" }
{ "_id" : ObjectId("60ba0b278e67ad0ff5b02999"), "id" : 34, "name" : "Anand", "age" : 42, "designation" : "Manager" }
{ "_id" : ObjectId("60baeb13baf44d88348459be"), "name" : "Krishna" }
> 
> db.employee.deleteMany({})
{ "acknowledged" : true, "deletedCount" : 3 }
> 
> db.employee.find()
>

 

 

 

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