State which of the following queries and updates would be allowed in this view. If a particular query or update would be allowed, show what the corresponding query or update on the base relations would look like, and give its result when applied to the database.

Q1. SELECT * FROM NURSE_SUMMARY;

Q2. SELECT D, C FROM NURSE_SUMMARY WHERE TOTAL_S > 100000;

Q3. SELECT D, AVERAGE_S FROM NURSE_SUMMARY WHERE C > (SELECT C FROM NURSE_SUMMARY WHERE D=4);

Q4. UPDATE NURSE_SUMMARY SET D=3 WHERE D=4;

Q5. DELETE FROM NURSE_SUMMARY WHERE C > 4;