唉!Oralce弱智的两表关联更新问题
UPDATE wap_qd_web a SET a.month_1=(SELECT sf FROM wap_qd_web_1 b WHERE a.operator_id=b.org_id) WHERE
EXISTS(SELECT sf FROM wap_qd_web_1 b WHERE a.operator_id=b.org_id );
EXISTS(SELECT sf FROM wap_qd_web_1 b WHERE a.operator_id=b.org_id );