不複雜，它的SQL部分很簡單，SAS的特長不僅僅是這個。

來源: veggiedoggie 於 2009-12-03 17:52:04 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.