Compare Strings ignoring accents in SQL (ORACLE)

Question

I would like to know if there is an easy way to compare two text values ignoring the accents and upper case. Im working with an Oracle database. I already searched for an an

Answer 1

use the nlssort function in the following way:

select * from  where utl_raw.cast_to_varchar2((nlssort(, 'nls_sort=binary_ai'))) like 'pe%';

The nlssort call transforms accented characters to their linguistic bases and ignores case in comparisons.

Original source is this article (verified on 12c).