Saturday, May 11, 2019

Get the third highest salary in the employee table - SQL

This is my Table, and I want to get the 3rd highest salary




First lets sort the table by salary in descending order 


Then to get the 3rd highest. Set offset to 2 and get only one line by setting limit to 1.





Traceroute Mac vs Windows

1) Tracert in Windows use ICMP

Packet Capture Link






2 Traceroute in Mac use UDP