Comparar Campos Sql

[Mithrandir]

Código:

--selecciona todos los registros de t1 que no estén en t0
SELECT * 
FROM tarjeta1 t1
	LEFT OUTER JOIN tarjeta t0
		ON t1.cedula = t0.cedula
WHERE t1.cedula IS NULL

--insertas la misma información
INSERT INTO tarjeta
SELECT * 
FROM tarjeta1 t1
	LEFT OUTER JOIN tarjeta t0
		ON t1.cedula = t0.cedula
WHERE t1.cedula IS NULL