Reference to character set in PL/SQL code - US7ASCII vs AL32UTF8

Posted by Raj Velpuru on May 21, 2017; 2:58pm
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/Reference-to-character-set-in-PL-SQL-code-US7ASCII-vs-AL32UTF8-tp2720.html

We have references to some characters like ampersand as chr(38) in PL/SQL code. And we are about to convert from US7ASCII to AL32UTF8. Will such code need a change after characterset conversion?