oracle结果集拼接

oracle中两个字段相减取时间值问题？从dual中选择（到日期（“20130620101647”，“yyyymmddhh24miss”）-到日期（“201306200...

oracle start with connect by怎么转换到mysql中？在Oracle中sql代码如下编写select o.orgid from t_organ...

用oracle SQL查询结果集，用集循环，并用集的列做if条件，满足条件后集的列批量插？declare cursor my ucursors is select*fr...