CSC-121, Graphical Python Prog, Creating a Data-Mapped Dialog w/ PyQt5, Python & QSql: Part 2

Part 2 of creating a data-mapped dialog. Here we show how to use the QSqlRelationalTableModel to use a foreign key field to link to a related table, and pull the project description back so it can populate a combo box widget. Concepts covered include database ERD relationships, advanced data-mapping, item delegates, indexes and relational models.