标签：blog sp strong on div log bs ef as
--************ null字段处理 ************
1、PicUrl为null或为空的返回默认值：
select (case when len(isnull(PicUrl,‘‘))=0 then ‘/images/default.jpg‘ else PicUrl end) from user where PicUrl is null
标签：blog sp strong on div log bs ef as
原文地址：http://www.cnblogs.com/qxoffice2008/p/4166612.html
