目录语法结构示例案例应用场景总结LENGTH函数用于返回字符串的字节长度，长度单位为字节
目录语法结构示例案例:对过长的昵称进行截取处理问题:附：CHAR_LENGTH()和LENGTH()的区别总结CHAR_LENGTH函数用于返回字符串的长度，长度单位为字符
I am developing an application in which there will be a search screen where user can search for specific keywords and that keyword should be
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