db.CargoUserProfiles.find().forEach(
function(item){
db.CargoUserProfiles.update({"id":item._id},{"$set":{"LastUpdate":item.CreateAt}},false,true)
}
)
db.CargoUserProfiles.find({}).forEach(function(asset){
asset.LastUpdate = asset.CreateAt;
})
The above two methods were tried but failed. CreateAt is a field with data and LastUpdate is a field to add
db.CargoUserProfiles.find().forEach( function(item){ db.CargoUserProfiles.update({"_id":item._id},{"$set": {"LastUpdate":item.CreateAt}},false,true) } ) The id field in mongodb is "_id" instead of "id"