Elías needed more than tables. He needed advanced forms .
His heart stopped. "What happened?"
He built a main form called Menu_Director . It wasn’t pretty, but it was powerful. At the top, a subform showed a live bar chart (using a simple macro to refresh a grid) of sales per hour. Below that, he placed a list box that filtered PRODUCTOS by category: "Tacos," "Tortas," "Bebidas." libreoffice base formularios avanzados