讀取 group_id為4的所有下級 讀取 group_id為6的所有下級 ...
SELECT id FROM SELECT FROM ty hotel product WHERE parent product id gt ORDER BY parent product id DESC realname sorted, SELECT pv : initialisation WHERE FIND IN SET parent product id, pv gt AND pv : ...
2021-06-10 17:58 0 1780 推薦指數:
讀取 group_id為4的所有下級 讀取 group_id為6的所有下級 ...
Id,PId無限級結構,查詢某個Id的所有下級或所有上級,使用WITH AS查詢 查找Id為1所有的下級 /*查找Id為1所有的下級*/ WITH T AS( SELECT Id,PId,Name,0 L FROM User WHERE Id ...
SELECT dept_id, simple_name FROM(SELECT t1.dept_id, t1.simple_name, IF(FIND_IN_SET(pid, @pids) > ...
--> 生成測試數據表: [tb] IF OBJECT_ID('[Users]') IS NOT NULL DROP TABLE [Users] GO CREATE TABLE [ ...
--> 生成測試數據表: [tb] IF OBJECT_ID( '[Users]' ) IS NOT NULL DROP TABLE [User ...
查詢 id = 6 的所有父級 轉載:https://www.cnblogs.com/hl15/p/11145058.html ...
查詢 id = 6 的所有父級 SELECT ID.level, DATA.* FROM( SELECT @id as _id, ( SELECT @id := parent_id FROM table1 WHERE id = @id ) as _pid, @l := @l+1 ...
無限層級結構的table1表,Id(主鍵),ParentId(父級id)查詢某個Id的所有下級或所有上級,使用WITH AS,UNION ALL 查詢 1、查詢Id為1所有的下級 2、查詢Id為88所有的上級 ...