title: DataSet with DataTables vs Dictionary with DataTables
body: <p>What combination is less memory hungry:</p>
  
  <p>A <strong>DatatSet with multiple DataTables</strong> or a <strong>Dictionary with multiple DataTables</strong>?</p>
  
  <p>I only need a Collection of DataTables, the whole functions of a DataSet is not required...</p>