Tag Info

New answers tagged


In a data warehousing context, this is a form of "type-2 slowly-changing dimension." A "slowly-changing dimension" (SCD) is a table with descriptive information (a "dimension," in the jargon) which changes periodically but not constantly. A classic example is customers: they can change names and addresses often enough that you need to handle it, but not so ...

Top 50 recent answers are included