select 3 most frequent element in table sql code example

Example: sql select most frequent value in column

SELECT col, COUNT(col) AS value_occurrence
FROM m_table GROUP BY col ORDER BY value_occurrence DESC LIMIT 1;

-- Oracle <= 11g
SELECT * FROM (SELECT col, COUNT(col) AS value_occurrence
FROM m_table GROUP BY col ORDER BY value_occurrence DESC)
WHERE rownum = 1;