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Snowflake schema
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== Benefits == The snowflake schema is in the same family as the [[star schema]] logical model. In fact, the star schema is considered a special case of the snowflake schema. The snowflake schema provides some advantages over the star schema in certain situations, including: * Some [[OLAP]] multidimensional database modeling tools are optimized for snowflake schemas.<ref>{{Cite journal|url=http://support.sas.com/resources/papers/proceedings09/103-2009.pdf |title=Using SASยฎ OLAP Server for a ROLAP Scenario|first=Michelle|last=Wilkie|journal=SAS Global Forum 2009|date=2009|access-date=2013-02-27}}</ref> * [[Database normalization|Normalizing]] attributes results in storage savings, the tradeoff being additional complexity in source query joins.
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