CREATE TABLE employees (salary VARCHAR, first_name VARCHAR)

display all the information for all employees who have the letters D or S in their first name and also arrange the result in descending order by salary.
SELECT * FROM employees WHERE first_name LIKE '%D%' OR first_name LIKE '%S%' ORDER BY salary DESC
SELECT * FROM "employees" WHERE "first_name" LIKE '%D%' OR "first_name" LIKE '%S%' ORDER BY "salary" DESC NULLS LAST