Union and union all are commands used in SQL to integrate values from two tables. An evident difference between the two is that Union returns a distinct set of values, whereas Union all returns all the...

A conspicuous difference between SQL and MySQL is that the former is a language used in creating, compiling and maintaining database management systems like MySQL.

A LAN port is one which connects the computers and other clients. On the other hand, A WAN port is used to establish a connection with an external network like the internet. Both are quiet same. They only...

White-box testing is a software testing technique, where the internal workings of the application to be tested are known and taken into consideration by the tester. Black-box testing is a software testing...

System software refers to the program that coordinates the tasks of hardware and programs. Thus, it is directly related to the computer hardware. On the other hand, application software refers to programs that...