Don't know about the specific implementation, but OLAP does not necessarily mean relational with a star schema. There is a distinction between ROLAP (Relational

Don't know about the specific implementation, but OLAP does not necessarily mean relational with a star schema. There is a distinction between ROLAP (Relational OLAP, which is what you describe, plus snowflakes), MOLAP (Multidimensional OLAP, which is true multidimensional, as in Essbase or TM1) and HOLAP (Hybrid OLAP, which is a combination of ROLAP and MOLAP as in SQL Server Analytic Services.)