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我在执行这条语名的时候为什么总按sfjs_detail.sfjs_d_pm排序????
select sfjs_master.sfjs_id,sfjs_master.sfjs_xm,sfjs_master.sfjs_rq,sfjs_master.sfjs_hjje,sfjs_detail.sfjs_d_pm,sfjs_detail.sfjs_d_gg,sfjs_detail.sfjs_d_sl,sfjs_detail.sfjs_d_unit,sfjs_detail.sfjs_d_price,chargeitem.ylbxbh from sfjs_master,sfjs_detail,chargeitem where sfjs_master.sfjs_id=sfjs_detail.sfjs_id and sfjs_detail.sf_id=chargeitem.sf_id
select sfjs_master.sfjs_id,sfjs_master.sfjs_xm,sfjs_master.sfjs_rq,sfjs_master.sfjs_hjje,sfjs_detail.sfjs_d_pm,sfjs_detail.sfjs_d_gg,sfjs_detail.sfjs_d_sl,sfjs_detail.sfjs_d_unit,sfjs_detail.sfjs_d_price,chargeitem.ylbxbh from sfjs_master,sfjs_detail,chargeitem where sfjs_master.sfjs_id=sfjs_detail.sfjs_id and sfjs_detail.sf_id=chargeitem.sf_id