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sql server 2005中使用with实现递归

sql server 2005中使用with实现递归


WITH fw_requestion_note_temp(old_apply_id)
AS
(
    --取根节点放入临时表
    SELECT old_apply_id FROM fw_requestion_note --WHERE old_apply_id = 'e741470e-8b5c-4f91-9b03-c7474d103aef' 
    --根据已取到的数据递归取其字节点的数据
    UNION ALL
    SELECT fw.old_apply_id FROM fw_requestion_note fw INNER JOIN fw_requestion_note_temp temp ON fw.apply_id = temp.old_apply_id
)
SELECT old_apply_id FROM fw_requestion_note_temp

www.htsjk.Com true http://www.htsjk.com/shujukunews/255.html NewsArticle sql server 2005中使用with实现递归 WITH fw_requestion_note_temp(old_apply_id)AS( --取根节点放入临时表 SELECT old_apply_id FROM fw_requestion_note --WHERE old_apply_id = 'e741470e-8b5c-4f91-9b03-c7474d103aef' --根据已取到的...
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