title: How to a Drop Poly Base external table if exists?
body: <p>I have loaded the File data from Azure blob storage to Azure SQL DW external table through poly-base. Now the File present in Blob container has been updated. Now I want to load the fresh data. Can any one suggest how the fresh data can be loaded to external table through poly base.? I am trying a way to drop the external table if exists and create it again to load the fresh data.</p>