Ms. Archana, a class XI student has just started learning MySQL. Help her in understanding the basic difference between Alter and Update command with suitable example.
Also suggest her suitable command for the following purpose:
(i) To display the list of the databases already existing in MySQL.
(ii) To use the database named City.
(iii) To remove the pre-existing database named Clients.
(iv) To remove all the records of the table named “Club” at one go along with its structure permanently.