select * from tb_menu m start with m.id=2 connect by prior m.parent= m.id;找2的父节点，select * from tb_menu m connect by prior m.id= m.parent start with m.id=2;找2的子节点
select * from t_s_fun aCONNECT BY C_FUN_CODE = PRIOR C_FUN_CODE_P START WITH C_FUN_CODE IN ('AccSubject') 1） 首先，执行的是该select语句中的start with子句部分2）接着，执行的是该select语句中的connect by子句部分 pri...
一、type / create or repalce type 区别联系相同：可用关键字create type 或者直接用type定义自定义类型,区别：create type 变量 as table of 类型--create type 变量 as object(字段1 类型1,字段2 类型2);--------------------------type 变量 is tabl
一、简介 在oracle中start with connect by (prior) 用来对树形结构的数据进行查询。其中start with conditon 给出的是数据搜索范围, connect by后面给出了递归查询的条件,prior 关键字表示父数据，prior 条件表示子数据需要满足父数据的什么条件。如下start with id= '10001' connect by prior p
[oracle@redhat4 ~]$ lsnrctl status LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06-OCT-2015 21:10:05 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRES...
mysql -u root -pEnter password: Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 47Server version: 5.1.31-1ubuntu2 (Ubuntu)Type 'help;' or '\h' for help. Type '\c' t...
Oracle中的select语句可以用start with...connect by prior子句实现递归查询，connect by 是结构化查询中用到的，
其基本语法是：
select ... from <TableName>where <Conditional-1>start with <Conditional-2>connect by <Condi
