how to remove field from document in mongodb
=> Use the $unset field update operator to completely remove a field from a document.
{ $unset: { "field_name": "value" } }
=> You can specify multiple fields to remove by separating them with a comma.
{ $unset: { name: "", weight: "" } }$removefromset mongodb
> db.collection.update(
... {"StudentName": "John"},
... {$pull: { "StudentHobby": "Cooking"}});
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })Copyright © 2021 Codeinu
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