摘要: 来自网上sqlserver替换null:isnull(arg,value)如:selectisnull(price,0.0)fromorders,如果price为null的话,用0.0替换与null比较:isnotnull,isnull如select*fromorderswherepriceisnull,price等于null如:select*fromorderswherepriceisnotnu... 阅读全文
posted @ 2010-04-06 11:53 wj-conquer 阅读(330) 评论(0) 推荐(0) 编辑