Data Mart

Data Modeling Tools for relational database & dimensional data mart

I am working with both an Oracle relational database as well as an Oracle data mart, with snowflake schema. Do I need a particular modeling tool to reverse engineer the data mart to produce a data model diagram? Presently I am using Toad Data Modeler to produce a data model for the transaction...

datamart & datawarehouse

What do you mean by DATAMART & DATAWAREHOUSE & what is the difference betwen two??