In this video, I have explained about ORDER By clause in detail.
Video Link - • ORDER BY
Union and Union ALL Set operator video link - • Union & Union All
Intersect and Minus Set operator video link - • INTERSECT & MINUS
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-- ORDER By commands for Hands-on :
select * from employees order by salary ;
select * from employees order by salary desc ;
-- ORDER By on multiple columns
select * from employees order by dept_id,salary ;
select * from employees order by dept_id asc,salary asc ;
select * from employees order by dept_id,salary desc ;
select * from employees order by dept_id desc,salary desc ;