****please don't use handwriting and picture

Q1:

Consider the bank database. [0.5+0.5+1=2 Marks]

branch(branch name, branch city, assets)

customer (customer name, customer street, customer city)

loan (loan number, branch name, amount)

borrower (customer name, loan number)

account (account number, branch name, balance)

depositor (customer name, account number)

Give an expression in the relational algebra for each of the following queries:

a. Find all loan numbers with a loan value greater than $50,000. b. Find the names of all depositors who have an account with a value greater than $9,000.

c. Find the names of all depositors who have an account with a value greater than $8,000 at the Uptown branch.

Q2:

Consider the two relations R and S, as given below:

R S

A	1
B	2
D	3
F	4
E	5

A	1
C	2
D	3
E	4

Solve the following:

1. R union S.
2. R intersection S
3. R-S
4. S-R

Q3:

Given the relation below named Student_Registration , answer the following questions.

S_id	S_Name	S_Address	Subject_opted
401	Adam	Noida	Bio
402	Alex	Panipat	Maths
403	Stuart	Jammu	Maths
404	Adam	Noida	Physics

1. What is the relational schema of the relation Student_Registration? [0.25 Point]
2. What is the degree of the giving relation? [0.25 Point]
3. Is the column Name an atomic attribute/value? If no, justify your answer? [0.25 Point]
4. What are the outputs of the given operations?

1. Subjectopted=Bio (Student_Registration) [0.25 Point]