-- 删除合同段SQL
-- 更改父节点
UPDATE [dbo].[tb_Projects] SET ParentId='510321' WHERE ParentId='510322'
-- 删除合同段
DELETE FROM [dbo].[tb_Projects] WHERE ProID='510322'
-- level降级
UPDATE [dbo].[tb_Projects] SET [Level]=[Level]-1 WHERE ProID > 510321
-- 编码
UPDATE [dbo].[tb_Projects]
SET ProjectCode = '01.'+SUBSTRING(ProjectCode, 7, LEN(ProjectCode)-6)
FROM [dbo].[tb_Projects]
WHERE ProID > 510321