PostgreSQL | EXAMPLES | INNER JOIN | NOT IN | NOT EXISTS
/*
Create the following tables
Bank_customer (accno primary key, cust_name,place)
Deposit (accno foreignkey, deposit_no, damount)
Loan (accno foreign key loan_no, Lamount)
Write the following queries
a) Display the details of the customers
b) Display the customers along with deposit amount who have only deposit with the bank
c) Display the customers along with loan amount who have only loan with the bank
d) Display the customers they have both loan and deposit with the bank
e) Display the customer who have neither a loan nor a deposit with the bank
*/