As the number of types of slowly changing dimensions (SCDs) increased, things have ended with Types 0 through 7, making essentially eight of them. But I do not believe full consensus exists among ...

SQL Server Integration Services (SSIS) has superseded DTS in SQL 2005 and has some great new features beyond better performance, more scalability and an integrated debugging facility. As if that was ...

In this approach, only the information about a previous value of a dimension is written into the database. An ‘Old ‘or ‘Previous’ column is created which stores the immediate previous attribute. The ...

Naïve approaches to business intelligence will occasionally trap designers as they juggle operational data stores and data warehouses. The trap results from an honest endeavor to simplify designs and ...