text: -- @testpoint: 插入汉字和英文
  
  drop table if exists test_nvarchar2_08;
  create table test_nvarchar2_08 (name nvarchar2(20));
  insert into test_nvarchar2_08 values ('gkb中国');
  insert into test_nvarchar2_08 values ('中国gkb');
  select * from test_nvarchar2_08;
  drop table if exists test_nvarchar2_08;