Query de la UDG

SELECT substr(z31_rec_key,1,12) Expediente, z303_name Nombre, count(*) Transacciones
FROM z31, z303, z305
WHERE substr(z31_rec_key,1,12)=substr(z305_rec_key,1,12)
AND substr(z31_rec_key,1,12)=substr(z303_rec_key,1,12)
AND z305_bor_status='01'
AND substr(Z305_REC_KEY,13,3)='EIC'
AND Z31_STATUS = 'C'
AND z31_credit_debit='D'
AND Z31_PAYMENT_DATE_KEY<>0
AND z31_date_x BETWEEN '20051113' AND '20051213'
GROUP BY substr(z31_rec_key,1,12), z303_name
ORDER BY 1