Based on the pizza database you imported, complete the sql statement below to add the column vip to the customers table. the customer will either be gold, silver, bronze level vip. there is a blank in the query, and you should enter the required text in the box below. when completing the statement, ensure you use the same naming conventions as other columns in the database and choose the most appropriate datatype. your answer will be marked incorrect if there is a spelling mistake, missing spaces, or unnecessary spaces. alter table customers add [a]