105 diagrams, 559 entities, 2132 attributes
Universal Data Models offers a comprehensive best-practice data model repository for the travel industry, providing best practice models and saving modelers and designers thousands of hours. The model includes entities such as TRAVEL PREFERENCES, TRAVEL RESERVATIONS, TICKETING, RETAIL SALES, PRICING, and much more. Data objects stored in the repository include entities, entity definitions, attributes, attribute definitions, attribute characteristics (size, types, constraints, etc.), unique identifiers, relationships, domains, entity to table mappings, tables, table definitions, columns, column definitions, column characteristics (size, type, constraints), primary keys, indexes, and database constraints. The repository has 105 comprehensive, re-usable entity-relationship diagrams, 559 entities, 2132 attributes, with corresponding tables and columns for these entities and columns with definitions as well as domains and database constraints defining these data objects.