What are some examples of JDBC drivers you would use when programming applications for Facebook?

This is a follow-up to a previous question. Any time you provide the Facebook interviewer with the answer, you should anticipate a follow-up question. This indicates that they either need more information or have a specific interest in this topic. If there are several follow-up questions about the same topic, they indicate that the subject is important to their operations. You should use it as a clue to talk more about the subject when answering their questions.