Can you enter duplicate values in a field with a Unique index?

What does ?_screen->backcolor do?

Can you use a #DEFINE on a Foxpro keyword?

What is the result of Proper('MCKAY')?

What date is given by Gomonth({^2000-01-31}, 1)?

What happens if you hold the Shift key down then click on File in the main menu?

If the Customers table is open, what does this command do: ? [company]

Which File is used to write the different types of Foxpro program ?