[阅读: 445] 2004-08-09 02:18:32
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/tsqlref/ts_la-lz_115x.asp
如果是用字符编号的话,用LIKE语句就可以了
比如当前选中的项目编号是"01",那么取它的下级应该是
SELECT * FROM XXX
WHERE CODE LIKE '01__'
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