SET-2

ER Diagram for Online Banking:

Entities: Customer, Account, Transaction, Bank, Branch, Loan
Relationships:
Customer owns Account (one-to-many)
Account has Transaction (one-to-many)
Bank has Branches (one-to-many)
Customer takes Loan (one-to-many)

2.PL/SQL Procedure with OUT Parameter to Calculate Square and Cube:
CREATE OR REPLACE PROCEDURE calculate_square_cube(
    num IN NUMBER,
    square OUT NUMBER,
    cube OUT NUMBER
) AS
BEGIN
    square := num * num;
    cube := num * num * num;
END;

3.SQL Queries:
A. SELECT * FROM Students WHERE state NOT IN ('Telangana', 'AndhraPradesh');

B. CREATE VIEW TelanganaStudents AS SELECT Sid, Sname FROM Students WHERE state = 'Telangana';

C. SELECT * FROM Students WHERE gender = 'female' AND course = 'Compcourse' AND category = 'OBC';

D. SELECT Sid, Sname, (marks_obtained / total_marks) * 100 AS percentage FROM Results;

E. SELECT * FROM Students ORDER BY Sname, course ASC;

F. DELETE FROM Students WHERE course = 'Compcourse' AND YEAROFBIRTH > 2002;

G. ALTER TABLE Students MODIFY (state VARCHAR2(40));

H. SELECT Sname FROM Students WHERE LENGTH(Sname) = 5;