Question:Examine the two SQL statements given below:
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY salary DESC
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC
What is true about them? 

A The two statements produce identical results 
B The second statement returns an error 
C There is no need to specify DESC because the results are sorted in descending order by default 

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A 

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Md. Habib Ullah

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