db.vendors.updateMany(
{isPartner:undefined},
{ $set: { isPartner: false}}
)
in this example it loops over all documents, if isPartner exists it keeps it the same,
else it will be set to false
try {
db.restaurant.updateMany(
{ violations: { $gt: 4 } },
{ $set: { "Review" : true } }
);
} catch (e) {
print(e);
}
const bulk = db.items.initializeUnorderedBulkOp();
bulk.find( { status: "D" } ).update( { $set: { status: "I", points: "0" } } );
bulk.find( { item: null } ).update( { $set: { item: "TBD" } } );
bulk.execute();
try {
db.restaurant.replaceOne(
{ "name" : "Central Perk Cafe" },
{ "name" : "Central Pork Cafe", "Borough" : "Manhattan" }
);
} catch (e){
print(e);
}
db.collection.updateMany(filter, update, options)