下面是一个简单的Family Tree 示例: <div class="codetitle"><a style="CURSOR: pointer" data="33678" class="copybut" id="copybut33678" onclick="doCopy('code33678')"> 代码如下:<div class="codebody" id="code33678"> DECLARE @TT TABLE (ID int,Relation varchar(25),Name varchar(25),ParentID int) INSERT @TT SELECT 1,' Great GrandFather','Thomas Bishop',null UNION ALL SELECT 2,'Grand Mom','Elian Thomas Wilson',1 UNION ALL SELECT 3,'Dad','James Wilson',2 UNION ALL SELECT 4,'Uncle','Michael Wilson',2 UNION ALL SELECT 5,'Aunt','Nancy Manor',2 UNION ALL SELECT 6,'Grand Uncle','Michael Bishop',1 UNION ALL SELECT 7,'Brother','David James Wilson',3 UNION ALL SELECT 8,'Sister','Michelle Clark',3 UNION ALL SELECT 9,'Robert James Wilson',3 UNION ALL SELECT 10,'Me','Steve James Wilson',3 ----------Query--------------------------------------- ;WITH FamilyTree AS( SELECT ,CAST(NULL AS VARCHAR(25)) AS ParentName,0 AS Generation FROM @TT WHERE ParentID IS NULL UNION ALL SELECT Fam.,FamilyTree.Name AS ParentName,Generation + 1 FROM @TT AS Fam INNER JOIN FamilyTree ON Fam.ParentID = FamilyTree.ID )SELECT * FROM FamilyTree
Output:
 希望对您有帮助 Author: Petter Liu (编辑:李大同)
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