2. The following is an RDB schema discussed in the class: branch (branch-name, branch-city, assets) customer (customer-name, customer-street, customer-city) account (account-number, branch-name, balance) loan (loan-mumтber, branch-nате, атоиnt) depositor (customer-name, account-number) borrower (customer-name, loan-number) Consider the following English query: "Find the names and the residing cities of customers who have a deposit account at the Aksarban or Downtown branch." Write an RA expression for this query.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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2. The following is an RDB schema discussed in the class:
branch (branch-name, branch-city, assets)
customer (customer-name, customer-street, customer-city)
account (account-number, branch-name, balance)
loan (loan-mumтber, branch-nате, атоиnt)
depositor (customer-name, account-number)
borrower (customer-name, loan-number)
Consider the following English query:
"Find the names and the residing cities of customers who have a deposit account
at the Aksarban or Downtown branch."
Write an RA expression for this query.
Transcribed Image Text:2. The following is an RDB schema discussed in the class: branch (branch-name, branch-city, assets) customer (customer-name, customer-street, customer-city) account (account-number, branch-name, balance) loan (loan-mumтber, branch-nате, атоиnt) depositor (customer-name, account-number) borrower (customer-name, loan-number) Consider the following English query: "Find the names and the residing cities of customers who have a deposit account at the Aksarban or Downtown branch." Write an RA expression for this query.
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