Posts by alter4do • 21 points

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  Q: What is the function of the Unique Switch in foreign keys?

  If the foreign key will always reference a primary key, which by definition is unique, then what is the need to define the Unique Constraint in foreign keys?

  mysql sql database

  asked 3 years, 4 months ago alter4do 21

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  Q: Why does the background color of my Frame not change during the execution of my application in Tkinter, even with the setting of the bg parameter?

  from tkinter import * class Teste(object): def __init__(self): mestre = Tk() mestre.title("Aplicação de teste") mestre.geometry("400x400") mestre.resizable(False, False) #Frames self.frame1 =…

  python tkinter

  asked 4 years, 3 months ago alter4do 21

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  Q: Operator problem not in the condition of a while loop

  I made a program to train txt manipulation: def escreve(): BancodeDados = open("Base.txt", "a") continua=True k=1 while continua: nome = input("Nome do cliente: ") idade = input("Idade do cliente:…

  python while

  asked 5 years, 2 months ago alter4do 21