What is SQL? SQL stands for Structured Query Language . This database language is mainly designed for managing and mani…

Peripheral Devices Peripheral devices are secondary devices of a computer system such as keyboard, mouse, etc Keybo…

Click Here Operating System (OS): OS works as a mediator between user and hardware or it provides an interface bet…

Internet and Multimedia Internet It is a network of networks or a worldwide system of computer networks. An interne…

Click Here What You Will Learn (toc) Computer:  It is a man-made electronic machine. Which use 0 or 1 to store da…

SQL Commands SQL commands are the instructions. Which are used to communicate with the database. SQL commands are also…