Question: Write queries using operations of relational algebra for the questions listed below. Make sure to combine operators together to create more advanced queries to retrieve
Write queries using operations of relational algebra for the questions listed below. Make sure to combine operators together to create more advanced queries to retrieve data. Please clearly mark your answers for each problem.
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Given database:
CUSTOMER CUSTID PK CUSTLAST, CUSTFIRST, CUSTPHONE, CUSTEMAIL, CUSTADDRESS, CUSTCITY, CUSTZIP, CUSTSTATE
ORDERS ORDERNUMBER PK CUSTID FK PRODID FK ORDERDATE, ORDERTOTAL
PRODUCT PRODID PK PRODDESCRIPTION, PRODCATEGORY, PRODPRICE
Retrieve City and Email for the customer whose name is John Smith.
Retrieve Name and Address of all customers who live in Florida.
Retrieve Product Description and Price for the products in the Computer category that cost more than $
Retrieve Product Description and Price for the products in either the Computer or Game category.
Retrieve Name and Address of the customers who placed orders on Note: the CUSTOMER and ORDERS tables are linked through the CUSTID column.
Retrieve Product Description and Price for the products that were purchased on Note: PRODUCT and ORDERS tables are linked through the PRODID column.
Retrieve Name and Address of all customers who live in Florida, who purchased product TV
Write three more complex queries to retrieve data from these tables. Queries must include multiple conditions and incorporate at least one join, one rename, and one aggregate function operations. All queries must be different. Provide a clear explanation of what each query is intended to do
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