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
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