Tip: mysql去除某個字段空白

使用mysql 函數 TRIM([{BOTH | LEADING | TRAILING} FROM ] str)去除兩端空白mysql update table_name set column_name = TRIM(BOTH '\n' FROM TRIM(CHAR('\t') FROM TRIM(column_name))) 這裏的BOTH 是指去除兩端空白（BOTH 是默認值，也就是說不寫的狀

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