Designing data warehouses must be designed dimensions. In such a way as to effectively use them later posed analytical realizing business objectives and what is more properly supplied with current data. How does it do? How to design dimensions in order to analyze the changes. Does the use of normalization – 6 normal form will help solve this problem, may be better used for this purpose Slowly Changing Dimension familiar with the publication of Ralph Kimball? If so, what type of SCD would be the best for our business needs? All of these topics during the session will bring an experienced consultant and trainer, SQL Server MVP – Łukasz Grala.