如果需要替換某個(gè)字段中指定范圍內(nèi)的某個(gè)字符串,可以使用SUBSTRING函數(shù)和REPLACE函數(shù)的組合。下面是一個(gè)示例: 1 UPDATEtable_nameSETcolumn_name = CONCAT(SUBSTRING(column_name, 1, start_index - 1),REPLACE(SUBSTRING(column_name, start_index, end_index - start_index + 1),'old_string','new_string')...
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