nvarchar2字段类型创建和查询时长度不一致
老版本开启以字符为单位,会自动放大长度,你这环境应该字符集是UTF-8吧 select * from v$option where para_name ='LENGTH_IN_CHAR';
老版本开启以字符为单位,会自动放大长度,你这环境应该字符集是UTF-8吧
select * from v$option where para_name ='LENGTH_IN_CHAR';