Recursion On Database Query使用Hibernate获取分层结果 - Java 我的Oracle数据库中有一个表与子父关系,如 - 我需要的是在Hibernate中以分层方式访问子列表. 当父亲登录时 - 他将儿子当作儿子. 当祖父登录时 - 他得到了儿子,父亲,叔叔. 当超级祖父登录时 - 他得到了儿子,父亲,叔叔和祖父. ...
I have recursive CTE. There is a cross join in recursive part of query. Cross-joined table is dummy unnecessary table with single row without any influence on query result. The point is, if cross join clause is used, query fails on "ORA-32044: cycle detected while executing recursive WITH...
This articles gives an overview of how to query hierarchical data in Oracle databases using recursive subquery factoring. This functionality was introduced in Oracle 11g Release 2, giving an alternative to the method of performing hierarchical queries from previous versions....
Oracle的递归WITH子句是一种在SQL查询中使用的高级技术,它允许我们使用递归方式处理层次结构的数据。递归WITH子句在幕后工作的过程如下: 1. 定义初始查询:首先,我们需要定义一个初始查询...
ORA-24789: start not allowed in recursive call 错误消息是Oracle在执行某些类型的语句时出现的错误,表示 不允许在递归调用中启动主机程序或者调用外部程序,也不允许重新启动一个连接到外部主机上的程序结构(PS) 官方解释 ORA-24789异常是当一个程序尝试通过一个递归调用来执行主机调用时可能出现的错误。此外,无法从...
recursive calls are basically SQL performed on behalf of your SQL. So, if you had to parse the query, for example, you might have had to run some other queries to get data dictionary information. These would be recursive calls.Space management, security checks, calling PL/SQL from SQL—...
-- Oracle 递归查询 geovindu Geovin Du 涂聚文 /* prior 在子节点端(向下递归) 第一种情况:start with 子节点id = ' 查询节点 ' connect by prior 子节点id = 父节点id select * from dudept start with deptCode='1001' connet by prior deptCode=pCode; ...
recursive calls are basically SQL performed on behalf of your SQL. So, if you had to parse the query, for example, you might have had to run some other queries to get data dictionary information. These would be recursive calls.Space management, security checks, calling PL/SQL from SQL—...
For example, on older versions Oracle could have merged an inline view but not the named query with exactly the same text.doi:10.1007/978-1-4842-3372-6_6Alex Reprintsev
ORACLE(session-router)#enum-configORACLE(enum-config)# recursive-query—Set this parameter toenabledfor theOracle Communications Session Border Controllerto query a DNS server for a hostname returned in an ENUM result. Save your work using thedonecommand....