mongodb shell replace document field code example

Example 1: mongo change all documents on field

//Update all documents with "oldName" to "newName"
db.names.updateMany({ "name": "oldName" }, {  $set: { "name" : "newName" }  })

Example 2: mongodb replace document

try {
   db.restaurant.replaceOne(
      { "name" : "Central Perk Cafe" },
      { "name" : "Central Pork Cafe", "Borough" : "Manhattan" }
   );
} catch (e){
   print(e);
}