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                            需求: 項目要批量修改文件名稱
update 表名 set 字段=replace(字段,'被替換的值','想要被替換的值')
例如: 文件名稱是  wang.T02   wang2.T02   li2.T02,  需要名稱末尾增加B
update 表名 set file_name=replace(file_name,'.T02','B.T02')
修改 之后就是  wangB.T02     li2B.T02
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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