XTG Data Modeller - Version 2.3.2 Visual CASE tool for database data structure modelling. Main features: Modeling using a GUI, attribute repository, reverse engineering via ODBC or from SQL schema, submodels, user-defined datatypes, cardinality, generation SQL scripts, HTML documentation of the model with hypertext cross-references between entities, multidimensional modeling, referential integrity, modeling of both the logical and physical level, indexes, definition of roles of attributes, printing, IDEF1X methodology...