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,'/')...
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,'/')...
insert (id, server_nm, device_no, mutiple) values (b.id, b.server_nm, b.device_no, b.mutiple);报错:ORA-01436: CONNECT BY loop in user data 求助!我的Oracle DB版本Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi 展开 我来答 你的回答被采纳后将获得: 系统奖励1...
CONNECT BY LOOP A loop in user data generates an �ORA-01436: CONNECT BY loop in user data� error. A loop is defined in the Oracle Database SQL Language Reference (11.1) documentation as: A loop occurs if one row is both the parent (or grandparent or direct ancestor) and a child...
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。
Oracle Self-Service Human Resources - Version 12 and later: Any Action Requiring Approval Errors Out With: ORA-01436: Connect By Loop In User Data
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是一个关系数据库管理系统,它用表的形式组织数据,在某些表中的数据还呈现出树型结构的联系。例如,我们现在讨论雇员信息表EMP,其中含有雇员编号(EMPNO)和经理(MGR)两例,通过这两列反映出来的就是雇员之间领导和被领导的关系。有些雇员领导另一些雇员,有些雇员被领导,还有些雇员领导一些人又被别人领导,他们之...
ORA-01436:CONNECTBYloopinuserdata CONNECT BY 条件中的 NOCYCLE 参数使 Oracle 尽管有循环仍返回行。 CONNECT_BY_ISCYCLE 伪列显示哪些行包含循环: SELECTlast_name "Employee", CONNECT_BY_ISCYCLE "Cycle", LEVEL, SYS_CONNECT_BY_PATH(last_name,'/') "Path"FROMemployeesWHERElevel<=3ANDdepartment_id=80ST...