A Fact Table without it's associated Dimensions is useless, however you access it.
This is a Star Schema:
http://www.parkershannon.net/eda/StarSchema.html
This is a Data Mart:
http://www.parkershannon.net/eda/DataMart.html
This is Dimension:
http://www.parkershannon.net/eda/Dimension.html
This is a Fact Table:
http://www.parkershannon.net/eda/FactTable.html