学步园

select (select j.jgmc from t_zzjg j where j.jgdm = t.jgdm) jgmc,
       t.jgdm,
       sum(t.jcj) jcj,
       sum(t.sa) sa,
       sum(t.la) la,
       sum(t.ajbl) ajbl,
       sum(t.xsqzcs) xsqzcs,
       sum(t.sacw) sacw,
       sum(t.jgzx) jgzx,
       sum(t.zfgz) zfgz,
       sum(t.jjclaj) jjclaj,
       sum(t.zs) zs
  from t_fxyp_zfycfbtj t
 where t.rq between to_date(2013 - 01 - 18   , 'YYYY-MM-DD') and
       to_date(2013 - 07 - 18    , 'YYYY-MM-DD')
   and exists (select z.jgdm
          from t_zzjg z
         where (z.dwlx = 'SJ' or z.sjjgdm is null)
           and z.jgdm = t.jgdm)
 group by t.jgdm
 order by t.jgdm

正确语句
select to_date('2012-05-06 12:05:03','yyyy-mm-dd hh24:mi:ss') from dual
select to_date('2012-05-06','yyyy-mm-dd hh24:mi:ss') from dual
select to_date('2012-05-06','yyyy-mm-dd') from dual

该查询语句导致该原因是因为在to_date()这个方法里面,前面输入的日期要加上单引号.