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科普下MYSQL字符串与数字比较

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2016-06-07 14:57:381199browse

无详细内容 MySQL SELECT 'abc' = 0 返回的是1写WHERE时注意，不要拿varchar类型字段与0比较了。

MySQL 
SELECT 'abc' = 0 
返回的是1
写WHERE时注意，不要拿varchar类型字段与0比较了。
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