title: What is meant by type safe in spark Dataset ?
body: <p>I am trying to understand the difference between Dataset and data frame and found the following helpful link , but i am not able to understand what is meant by type safe? </p>
  
  <p><a href="https://stackoverflow.com/questions/31508083/difference-between-dataframe-in-spark-2-0-i-e-datasetrow-and-rdd-in-spark/31508314#31508314">Difference between DataFrame (in Spark 2.0 i.e DataSet[Row] ) and RDD in Spark</a></p>