SELECT a.fhqdh,a.jydbh,a.hwbh,a.fhsl,a.fhzl,a.fhtj,a.fhzt,a.fszbm,a.sdzbm,a.sdzmc,a.fhrxm,a.fhrdh,a.fhrdz,a.shrxm,a.shrdh,a.shrdz,a.hwmc,
a.jsbzbm,a.hwdj,a.hwyf,a.bxe,a.bxf,a.hwhk,a.zyf,a.yjyfhj,a.hdfk,a.sqke,a.zyfs,a.thfs,a.qdjh,a.dzzmc,a.kdsj,a.sxhh,0 as xz,b.hdfs,a.clbh,a.cksj,
CASE WHEN b.hdfk <> 0 THEN '提付' WHEN b.yjyfhj <> 0 THEN '现金' WHEN b.sqke <> 0 THEN '月结' ELSE '' END AS fkfs
FROM fhxx as a left outer join jydxx as b on a.jydbh = b.jydbh
以上sql语句 有个字段是重复的 不知道如何去除

------解决方案--------------------
思路:
先按重复字段分组统计金额,再与fhxx关联查询