17.20 - Detecting ASCII and Teradata LATIN Differences - Analytics Database - Teradata Vantage

You can detect code points that conflict with ASCII semantics either before or after migrating to Teradata LATIN. Corrective action can then be taken under either environment.

SELECT cchar
FROM tab1
WHERE
INDEX(cchar, '80'XC) <> 0
OR INDEX(cchar, '81'XC) <> 0
OR INDEX(cchar, '82'XC) <> 0
.
/* all codes 83-FE */
.
OR INDEX(cchar, 'FF'XC) <> 0;