oracle - long string cannot be modified

1. Long strings cannot be modified and added

Export the data to sql data and check the only one

Command line window via plsql - add in editor

set define off;

delete from 表名  where sap_trade_id ='7712017121399917' and trans_ido='2017121337795426';

 insert into table name(field 1, field 2) value(field data 1, field data 2);