ORACLE分组统计科室字段相同科室的数量
匹配科室字典表统计科室字段相同科室的数量
select t.VISIT_DEPT as 科室编码, a.DEPT_NAME as 科室名称, count(t.VISIT_DEPT)as 就诊数量 from OUTPADM.CLINIC_MASTER t, DEPT_DICT a where t.VISIT_DATE > to_date('2018/09/ 30', 'YYYY/MM/DD') AND t.VISIT_DATE < to_date('2018/11/ 01', 'YYYY/MM/DD') and a.DEPT_CODE = t.VISIT_DEPT group by t.VISIT_DEPT,a.DEPT_NAME;
分组统计科室字段相同科室的数量
select t.VISIT_DEPT as 科室编码, count(t.VISIT_DEPT)as 就诊数量 from OUTPADM.CLINIC_MASTER t where t.VISIT_DATE > to_date('2018/09/ 30', 'YYYY/MM/DD') AND t.VISIT_DATE < to_date('2018/11/ 01', 'YYYY/MM/DD') group by t.VISIT_DEPT;