SELECT entropy(SearchEngineID) FROM hits_100m_single settings max_threads = 1
SELECT entropy(SearchPhrase) FROM hits_10m_single
SELECT entropy(MobilePhoneModel) FROM hits_100m_single
SELECT entropy(URL) FROM hits_10m_single
SELECT entropy(URLHash) FROM hits_10m_single
SELECT entropy(URL, URLHash) FROM hits_10m_single
SELECT entropy(ClientIP) FROM hits_10m_single
SELECT entropy(RegionID) FROM hits_100m_single settings max_threads = 1
SELECT entropy(ClientIP, RegionID) FROM hits_10m_single