摘要: 对于SQL语句select nvl(to_char(floor(avg((apfndtm-apdldtm)*24*3600))),0) from emflib.eqapypf where apydat >= 20080902 and apydat <= 20080902 and apcfmfg ='C' and apapyfg='A' and apytim >= 090000 a... 阅读全文
posted @ 2008-09-02 16:57 深渊野鱼 阅读(352) 评论(0) 推荐(0) 编辑