ORA-01436错误,即“connect by loop in user data”,是Oracle数据库中在使用CONNECT BY子句进行层次查询时遇到的一个错误。这个错误表明在层次查询的递归过程中,用户数据(即START WITH和CONNECT BY子句中引用的列)形成了一个循环,导致查询无法正确终止。 2. 导致ORA-01436错误的常见原因 递归关系定义错误:在CONNECT...
CONNECT BY PRIOR jt.terr_id = jt.parent_territory_id ; Its been observed that query throw error at 2501 row. I have tried to find out the cyclic loop records by using the following query: SELECT sys_connect_by_path(jt.terr_id,'/')...
start with part_id=1 connect by prior part_id=parent_id order by level; 上面两个sql执行的时候都会报ORA-01436: CONNECT BY loop in user data 解决方案入下: 方案1:在connect by 后面加上nocycle ,不循环。得到的结果可能就不是你想要的了。 方案2:把第一条记录的parent_id 置为null ,这样做就不...
CONNECT BY PRIOR jt.terr_id = jt.parent_territory_id ; Its been observed that query throw error at 2501 row. I have tried to find out the cyclic loop records by using the following query: SELECT sys_connect_by_path(jt.terr_id,'/')...
ORA-01436: CONNECT BY loop in user data 01436. 00000 - "CONNECT BY loop in user data" *Cause: *Action: 原因: 分层查询中存在上下层互为父子节点 处理方法: 在connect by后面加上NOCYCLE关键字,用connect_by_iscycle伪列定位出存在互为父子循环的具体节点,修改出错的数据。
开发遇到一个报错 ORA-01436: CONNECT BY loop in user data (ORA-01436: 用户数据中的 CONNECT BY 循环)。 1. 报错原因 根据网上的资料,产生这个错误的原因是数据形成了循环。例如下面这个语句: SELECT r1.region_id,parent_id FROM cnl_region r1 ...
Oracle Self-Service Human Resources - Version 12 and later: Any Action Requiring Approval Errors Out With: ORA-01436: Connect By Loop In User Data
connect by prior part_id=parent_id order by level; 在执行select level语句的时候,报如下错误:ORA-01436: CONNECT BY loop in user data 解决方案: 将第一条数据中的parent_id改为null,否则loop循环找parent_id就找不到了! 【转载地址】http://blog.csdn.net/weikaifenglove/article/details/4206979...
查找引发 ORA-01436: 用户数据中的 CONNECT BY 循环 错误的数据 2018-08-27 19:10 − declare cursor orList is select * from t_org; topOrgID number; begin for org in orgList loop begin select... 逆风H2O2 0 1076 Cannot open user default database. Login failed. Login failed for user...
connect by 层次查询的用法报错:ORA-01436: CONNECT BY loop in user data产生这个错误的原因,产生了死循环,解决办法有两种如下:2.产生死循环的原因: 比如查找数据发现,数据region_id为1的parent_id为24684,而region_id为24684的parent_id为1, 这样就产生了 数据库 原创 wx5eb8fc190868a 2021-07-07 16:...