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sql查询去除空数据和null 字段
2022-04-22 07:45:00 【机械提桶跑路ing】
1:在做需求时,发现数据库中出现null 或者为 空值,这种字段的数据并不是我想要的(在我的需求中)
2:在sql中填入字段就可以进行筛选
这是一个笔记,也是提供大家思考,有兴趣的可以一起交流。
and (字段 is not null or 字段 <> '')
and (字段 is not null or 字段 <> '')
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本文为[机械提桶跑路ing]所创,转载请带上原文链接,感谢
https://blog.csdn.net/weixin_46703961/article/details/124274032
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