Oral and written communications are both major forms of communication. Communicating by word of mouth is termed as oral communication. Written communication involves writing/drawing symbols in order to...

Mostly, the adverbs ‘especially’ and ‘specially’ are interchangeably used in many contexts. The term ‘especially’ is used to highlight and particularize anything, whereas ‘specially’ is used to highlight the...

Rotate and Revolve describes different process altogether. In layman’s terms, remember that the Earth rotates around its axis and revolves around the Sun.

A Kindle is an e-book reader. It is a device which allows one to download books, newspapers, magazines, blogs and read them. On the other hand, iPad Mini is a mini (small) tablet, which has maximum features of...

Primary key and unique key are entity integrity constraints. The main difference between the two keys is that there can be multiple unique key columns with null values, whereas that there can only be one...