摘要: 数据不多时一般使用select count(0) from T_Imei with (nolock)上百万的用:select top 1 rowcnt from sysindexes where id=object_id('T_Imei') 阅读全文
posted @ 2011-12-09 11:20 顿金 阅读(154) 评论(0) 推荐(0)