agrupar dos tablas similares

[Rodrhigo]

Código SQL:

SELECT tb1.total,tb1.fecha_insc,tb2.total,tb2.fecha_insc FROM (
(SELECT COUNT(asd) AS total,fecha_insc FROM tb1
GROUP BY fecha_insc) AS tb1,
(SELECT COUNT(asd) AS total,fecha_insc FROM tb2
GROUP BY fecha_insc) AS tb2
)