What is the process to obtain the 5th, 6th, and 7th highest salaries using Oracle SQL?

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To obtain the 5th, 6th, and 7th highest salaries using Oracle SQL, you can use the following SQL statement:

SELECT salary FROM (SELECT salary, DENSE_RANK() OVER (ORDER BY salary DESC) AS rank FROM employees) WHERE rank IN (5, 6, 7);

This SQL statement first selects the salary and its rank using the DENSE_RANK() function, which assigns the same rank to identical salary values and results in no gaps in ranking sequence. It then filters out the records with rank 5, 6, and 7 using the WHERE clause. Finally, it returns the salaries of the selected records.