2)Find the usernames of all users who have not returned books costing above rs 300 3)Find titles of books issued to users of category 3 costing avbove rs 300 4)Find titles of books due to be returned.
CREATE TABLE FeePayments ( payment_id INT PRIMARY KEY, student_name VARCHAR(100) NOT NULL, amount DECIMAL(10,2) CHECK (amount > 0), payment_date DATE NOT NULL ); -- Part A: Insert multiple payments ...