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mysql-MySQL插入字段内存大小疑问

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2016-06-06 09:35:181032browse

mysql

MySQL在建表时要规定字段类型的显示宽度如:INT(11),那么在建表后这个字段在数据库中所占的内存大小是int本身的4个字节还是自定义的11位呢?

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