ydb/yql/essentials/udfs/common/unicode_base/test/cases/Normalize.sql

/* syntax version 1 */
SELECT
    value AS value,
    Unicode::Normalize(value) AS normalize,
    Unicode::NormalizeNFD(value) AS normalize_nfd,
    Unicode::NormalizeNFC(value) AS normalize_nfc,
    Unicode::NormalizeNFKD(value) AS normalize_nfkd,
    Unicode::NormalizeNFKC(value) AS normalize_nfkc
FROM Input