Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
SELECT DEPARTMENT_ID, MAX(SALARY) FROM EMPLOYEES GROUP BY DEPARTMENT_ID;
SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, MAX(SALARY) FROM EMPLOYEES GROUP BY EMPLOYEE_ID, FIRST_NAME, LAST_NAME;
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