CREATE TABLE strings (words String) ENGINE Memory INSERT INTO strings SELECT SearchPhrase FROM hits_10m_single WHERE length(SearchPhrase) > 0 SELECT normalizeUTF8NFC(words) FROM strings FORMAT Null SELECT normalizeUTF8NFD(words) FROM strings FORMAT Null SELECT normalizeUTF8NFKC(words) FROM strings FORMAT Null SELECT normalizeUTF8NFKD(words) FROM strings FORMAT Null DROP TABLE IF EXISTS strings