title: MongoDB to BigQuery
body: <p>What is the best way to export data from MongoDB hosted in mlab to google bigquery?</p>
  
  <p>Initially, I am trying to do one time load from MongoDB to BigQuery and later on I am thinking of using Pub/Sub for real time data flow to bigquery.</p>
  
  <p>I need help with first one time load from mongodb to bigquery.</p>