わかりました:) -- これはここで動作するようです。
DECLARE @Categories TABLE ( ID int PRIMARY KEY ,Title varchar(256) ,ParentID int ) INSERT INTO @Categories VALUES (1, 'All', 0) ,(2,'Banking', 8) ,(3,'USAA Checking', 2) ,(4,'USAA Mastercard', 2) ,(5,'Medical', 8) ,(6,'Jobs', 8) ,(7,'Archive', 1) ,(8,'Active', 1) ,(9,'BoA Amex', 2) ; WITH CategoryTree AS (SELECT r.ID, r.Title, 0 Level, r.ParentID, CAST(r.Title AS VARCHAR(1000)) AS "Path" FROM @Categories r WHERE r.ParentID = 0 UNION ALL SELECT c.ID, c.Title, p.Level + 1 AS Level, c.ParentID, CAST((p.path + '/' + c.Title) AS VARCHAR(1000)) AS "Path" FROM @Categories c INNER JOIN CategoryTree p ON p.ID = c.ParentID ) SELECT ID, REPLICATE('-----', Level) + Title AS Title, [Path] FROM CategoryTree ORDER BY [Path]
プレ>