sql數(shù)據(jù)庫(kù)存在父級(jí)、子級(jí)聯(lián)用的遞歸，具體代碼如下：
----------------------------------------------------------------------------
--sql 數(shù)據(jù)庫(kù)遞歸---在數(shù)據(jù)庫(kù)存在級(jí)聯(lián)用到，例如商品的父類和子類之間所屬關(guān)系
----------------------------------------------------------------------------
WITH T AS ( SELECT
* ,
lv = 0 ,
struct = CAST(id AS NVARCHAR) --struct 獲取的數(shù)據(jù)包含它本身和它的上級(jí)節(jié)點(diǎn)
FROM
tb_accounttype
WHERE
pid = 0
UNION ALL
SELECT
a.* ,
lv = ( b.lv + 1 ) ,
struct = CAST(CAST(b.struct AS NVARCHAR) + ','
+ CAST(a.id AS NVARCHAR) AS NVARCHAR)
FROM
tb_accounttype a
JOIN T b ON a.pid = b.AccountTypeNo
)
SELECT
*
FROM T
-- 如果需要加入條件查詢例如查詢name等于你需要查詢的數(shù)據(jù)則加入一下代碼即可
-- where T.name LIKE '%00%'
OPTION
( MAXRECURSION 0 )