SELECT Nome, Tipo FROM Depto Eqpto

SELECT Nome, Tipo FROM Usa WHERE USA.ID and Usa.Cod

SELECT Nome, Tipo FROM Depto, Usa, Eqpto

SELECT Nome, Tipo FROM Depto, Usa, Eqpto WHERE Dpto.ID = USA.ID and Eqpto.Cod = Usa.Cod

SELECT Nome, Tipo FROM Depto, Eqpto WHERE Dpto.ID and Eqpto.Cod