Ver originalCASE RIGHT(fecha,2) WHEN '01' THEN 'ENE' WHEN '02' THEN 'FEB' WHEN '03' THEN 'MAR'WHEN '04' THEN 'ABR'WHEN '05' THEN 'MAY'WHEN '06' THEN 'JUN'WHEN '07' THEN 'JUL'WHEN '08' THEN 'AGO'WHEN '09' THEN 'SEP'WHEN '10' THEN 'OCT'WHEN '11' THEN 'NOV'WHEN '12' THEN 'DIC'END AS nmes_f,