UPDATE customer SET 
		   cardtyp ='',
		    vehicle_number='',vehicletyp='',
                      customer_name='',
		           	     customer_mobile='',   mobile2='', 
				            dob='',
							dob_month='',routefrom='', routeto='',urea='', branch='',
							companyname='',owner='',ownermobile='' 
							WHERE id='0' Unknown column 'dob' in 'SET'