In SQL Server Analysis Services 2008, we have three storage mode options available to us: Relational Online Analytical Processing (ROLAP), Multidimensional Online Analytical Processing (MOLAP) and Hybrid Online Analytical Processing (HOLAP). There are advantages and disadvantages to each, so I figured I’d take a few minutes to give a quick overview describing the storage modes and laying out some of the pros and cons of each. Relational Online Analytical Processing (ROLAP) The ROLAP storage mode allows the detail data and aggregations to be stored in the relational database. If you plan on using ROLAP, you need to make sure that… Read more