1. Create a database Bank, and then create a table customer with the columns (Cust_id,

Cust_name, login_id, password, Acc_no, Aadhar_no, PAN_no, Mobile, Email, Bal_amount)

(i) Create a view Cust_masking to de-identify customer details as

a. No masking on Cust_id, Cust_name, Bal_amount

b. Apply masking on login_id to reveal only last five positions and mask all the remaining with symbol x.

c. Apply masking on password to mask all positions with symbol *

d. Apply masking on Acc_no to reveal only last four positions and all the remaining should be masked.

e. Apply masking on Aadhar_no to reveal first two and last two positions and mask all the remaining with symbol #

f. Apply masking on PAN_no to reveal first two and last four positions and mask all the remaining with symbol $

g. Apply masking on mobile to reveal last three positions and mask all the remaining with symbol *

2. Write SQL statement to

(i) apply masking on email to replace it with randomly generated email

(ii) apply masking on email to replace it with randomly generated email from a dictionary