Abstract: UML sequence diagrams have been widely applied in modeling the interactive behavior among objects. However, the lack of formal semantics makes it difficult to analyze and validate the ...

We present the results of two controlled experiments to compare ER and UML class diagrams, in order to find out which of the models provides better support during the comprehension of data models. The ...

Developers and IT professionals frequently use Visio to design and document software and database systems. They recognize the benefits of visualizing complex systems to understand relationships and ...

views sql mysql-database data-dictionary stored-procedures normalization er-diagram denormalization conceptual-model structural-testing logical-model popsql physical-model view-testing ...

Database modeling by creating an E-R diagram and a logical model for RPG game. The goal is to understand how to design tables, relationships, and attributes for future database development.