Oracle分析函数的项目实践实例

 SELECT *
   FROM SSE2_FLOW_EXPENSE T1
   JOIN (SELECT SFEL.*,
                ROW_NUMBER() OVER(PARATITION BY SFEL.FE_EXPENSENO ORDER BY SFEL.LOG_HAPPENDATE DESC) RN
           FROM SSE2_FLOW_EXPENSE_LOG SFEL) T2
     ON T1.FE_EXPENSENO = T2.FE_EXPENSENO
    AND T2.RN = 1