Código SQL [-] SELECT COUNT(*), TO_CHAR(FECHA, 'MM') FROM TABLA GROUP BY TO_CHAR(FECHA, 'MM') HAVING TO_CHAR(FECHA, 'MM') = '12'
SELECT COUNT(*), TO_CHAR(FECHA, 'MM') FROM TABLA GROUP BY TO_CHAR(FECHA, 'MM') HAVING TO_CHAR(FECHA, 'MM') = '12'