How can I use advanced ordering in SQL?

How can I use advanced ordering in SQL?

You can use advanced ordering in SQL by utilizing the ORDER BY clause with multiple columns, functions, or conditions.

Can you give me an example of ordering by multiple columns?

Sure! You can order by multiple columns like this: SELECT * FROM employees ORDER BY department, salary DESC; This orders employees first by department and then by salary in descending order.

What if I want to order by a calculated field?

You can order by a calculated field using an expression. For example: SELECT name, salary, (salary * 0.1) AS bonus FROM employees ORDER BY bonus DESC; This orders employees by their calculated bonus.

Is it possible to use conditional ordering?

Yes, you can use CASE statements for conditional ordering. For example: ORDER BY CASE WHEN department = 'Sales' THEN 1 ELSE 2 END; This prioritizes Sales department employees.