1a. Insert a new record into the City table that is of city name Gotham City, of district fiction, of country USA. [Note: There are missing data of this record, be careful.]

b Write a SQL command to add a new field wealth (of integer type) to City table.

c. Modify the record of CountryLanguage table. In the USA the language Spanish is official (so the value is T instead of F).

d. Delete all data of table Suppliers. (The table is empty, but still in the database).

e. Delete all Suppliers who are located in France.

f. The table Suppliers is removed from the database.