<commit_before><commit_msg>second highest salary<commit_after>SELECT Salary FROM Employee GROUP BY Salary 
UNION ALL (SELECT null AS Salary)
ORDER BY Salary DESC LIMIT 1 OFFSET 1
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{'dir': 'git-commits-cleaned', 'id': '808809', 'n_tokens_mistral': 56, 'n_tokens_neox': 51, 'n_words': 23}