Oracle中的 UPDATE FROM 使用方法

update BO_CW_FPUBLIC a set (a.item,a.itemcode,a.smoney)=

(select b.item,b.itemcode,b.zhj from BO_CW_FPUBLIC_M b where a.bindid=b.bindid and b.fbillno like '%CLFY%')
WHERE EXISTS (SELECT b.item FROM BO_CW_FPUBLIC_M b WHERE a.bindid = b.bindid and b.fbillno like '%CLFY%')