Grammer error -
"The db.collection.save() method can either update an existing document or an insert a document..."
should be
"The db.collection.save() method can either update an existing document or insert a document..."
Grammer error -
"The db.collection.save() method can either update an existing document or an insert a document..."
should be
"The db.collection.save() method can either update an existing document or insert a document..."