... in a business. However, in today's business world, rapidgrowth, acquisitions, and mergers lead to multiple source systems and different ways of representinginformation within most businesses. ... tables.12.Click Mappings.13.Drag and drop each input column onto the corresponding destination column. The TerritoryID input column is mapped to the business key, not to the SalesTerritoryKey. SalesTerritoryKey ... degenerate dimensioncolumns such as InvoiceNumber.We implemented surrogate keys for every dimension table using SQL Server's IDENTITY columns,and added a clustered index on the business key to...