An example of a standard port is USB (universal serial bus) which connects several devices to the system unit. An example of a specialized port is Thunderbolt which is identified by Apple's MacBook Pro and provides a high-speed connection promising to replace a number of ports such as Mini Display port.
We use SQL Not Equal comparison operator (<>) to compare two expressions. For example, 10<>11 comparison operation uses SQL Not Equal operator (<>) between two expressions 10 and 11