先來看數據表的結構如下: id name parent_id --------------------------- 1 Home 0 2 About 1 3 Contact 1 4 Legal ...
一 CREATE TABLE TBL TEST ID NUMBER, NAME VARCHAR BYTE , PID NUMBER DEFAULT INSERT INTO TBL TEST ID,NAME,PID VALUES , , INSERT INTO TBL TEST ID,NAME,PID VALUES , , INSERT INTO TBL TEST ID,NAME,PID VALUE ...
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先來看數據表的結構如下: id name parent_id --------------------------- 1 Home 0 2 About 1 3 Contact 1 4 Legal ...
結果: ps:oracle遞歸查詢:https://www.cnblogs.com/lgqrlchin ...
創建表 建表語句: 插入數據: 生成表如下: 查詢某節點的所有子孫節點 查詢指定節點的遞歸根節點 CONNECT BY子句偽列的應用 查詢遞歸路徑 ...
一、創建數據 1.1、建立表與插入數據 二、start with connect by prior遞歸 2.1、查詢所有子節點 2.2、查詢所有父節點 只需要交換 id ...
Declare @Id Int Set @Id = 0; ---在此修改父節點 With RootNodeCTE(D_ID,D_FatherID,D_Name,lv) As ( Select D_ID,D_FatherID,D_Name,0 as lv From [LFBMP.LDS ...
前幾天在開發的過程中遇到一個遞歸查詢的問題,java代碼大致是這樣的: // 遞歸得到四級機構對象 public UserManagerDept getuserManagerDeptBy(String deptId) { UserManagerDept ...
SELECT * FROM ORGANIZE START WITH PARENT_ID = '1409' CONNECT BY PRIOR PARENT_ID = TID start with 后面,某級以下為ID,某級以上為父ID ...
oracle遞歸查詢Oracle中start by prior子句用法connect by 是結構化查詢中用到的,其基本語法是:select ... from tablename start with 條件1connect by 條件2where 條件3;例:select * from ...