Several years ago, one of our project teams was tasked with building out a full EDW in Amazon Redshift.  The solution needed to source from multiple subject areas including sales, supply chain, operations, and customer demographics.  We truly had a great amount of variety, velocity, and volume requirements.  The sales source was configured to publish large sets of flat files to Amazon S3 throughout the day and large reconciliation batches overnight.  Seeing that multiple different types of SCD’s would need to be maintained, the lack of native S3 connectivity became a significant roadblock in the workflow. Our team set out