摘要：
一位网友在Insus.NET下班时问及一个SQL问题，他有如下一些记录：S_NUMBER P_NO UPDATE_TIMEY1202022524 E3465 2012-02-05 16:32:16.000Y1202022524 E0035 2012-01-16 05:38:41.000Y1202022525 E0036 2012-01-17 05:38:41.000Y1202022526 E0037 2012-01-18 05:38:41.000Y1202022527 E0038 2012-01-19 05:38:41.000Y1202022528 E0039 2012-01-20 05:38 阅读全文
