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sql_update

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學習: http://www.runoob.com/mysql/mysql-tutorial.html replace: update table_name set column = replace (column,‘@‘,‘,‘); 通用語法: update table_name set column=new_value,column2=new_value1[where clause] 例: update tm_bargrain_dwj_copy1 set column = concat(‘0‘,column) where length(column) = 2;

sql_update