Conceptual design with ER model IV and Relational Model I
11 Outubro 2022, 16:00 • Ana Paula Pereira Afonso
Conceptual design with the ER model. Aggregation versus ternary relationships.
Conceptual design for large enterprises. Integrity constraints. Conceptual design validation.
Introduction to the relational model. Creating and modifying relations using SQL.Integrity constraints over relations. Key constraints. Foreign key constraints. General constraints.