Consider this query: SELECT Email
FROM Teachers
WHERE License Expire Month = "February";

Can you explain what each part of it does? Why might someone perform this query, and what use could they make of the results?

There is a table in the database named Teacher having columns Email, Expiry Month etc. this query is selecting the email address from the table Teachers on the basis of expiry month that is February.\  

Explanation:

continuous information you receive.