The Chr function is the opposite of the ascii function and returns the character based on the number.
Chr syntax
CHR ( number )
Chr example
select chr(65) from dual; Result: A select chr(66) from dual; Result: B select chr(67) from dual; Result: C select chr(65)|| chr(66) || chr(67) from dual; Result: ABC select chr(97)|| chr(98) || chr(99) from dual; Result: abc select chr(49)|| chr(50) || chr(51) from dual; Result: 123