Relational Algebra - Database Management

2.3 (3 Points) For each of the following queries, write a relational algebra expression to answer the query:

a) Find the names of all customers who live in Hopkins, on St. Ann Street.

b) Find the names and cities of residence of all customers who have accounts.

c) Find the names, street address, and cities of residence for all customers who have ordered product number 320894.