We have old database which shows ddl as char and new database which show ddl as bytes.
varchar2 (4 char)
varchar2 (4 Byte).
My question is
1) if we insert rows from 4 char to 4 byte will this be issue.
if yes then what should new database ddl should be.
2) I am seeing varchar2(4 byte ) for first time was that old way for creating ddls