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关于＃sql＃的问题：有没有不增加字段，在原有字段的基础上，对字段里面的null值进行填充的方法呢
2022-06-23 06:11:00 【CSDN问答】
想问下 sql中除了 case when 之外还有没有别的方法给字段下面空白值进行填充，因为再有空白值的情况下我进行算数运算的话他返回的也是空白值；
有没有不增加字段，在原有字段的基础上，对字段里面的null值进行填充的方法呢？
补充：想要直接写在select 里面的方法
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