remove property mongodb
db.myCollection.update({}, {$unset: {fieldToRemove:1}} , {multi: true});
remove property mongodb
db.myCollection.update({}, {$unset: {fieldToRemove:1}} , {multi: true});
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.
{ $unset: { name: "", weight: "" } }
mongodb delete document where field exists
db.users.remove({
"$or": [
{ "firstName": { "$exists": false } },
{ "lastName": { "$exists": false } }
]
})
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