How to use SQL ROWID?

ROWID is a hexadecimal string that is unique for each row in a table.

Example: Get ROWID and name of students.

SELECT ROWID, name FROM students

Output: 

ROWID		NAME
AAADa6AAEAAAAFFAAA		John
AAADa6AAEAAAAFHAAA		Kamil
AAADa6AAEAAAAFHAAB		David
AAADa6AAEAAAAFHAAC		Fad
AAADa6AAEAAAAFHAAD		Sam
AAADa6AAEAAAAFHAAE		Dawn
AAADa6AAEAAAAFHAAF		Emre
AAADa6AAEAAAAFHAAG		Arif
AAADa6AAEAAAAFHAAH		Sad
AAADa6AAEAAAAFIAAA		Zeynal