Consider a database with the following schema: CUSTOMERS(id, name, address, city, state, zipcode) ORDERS(id, date, custid,...
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Consider a database with the following schema: CUSTOMERS(id, name, address, city, state, zipcode) ORDERS(id, date, custid, salestax, total, status) The SQL query is: SELECT SUM(total) FROM customers, orders WHERE customers.id orders.custid AND state "OH" AND city "Columbus" AND date "2023-03-10" AND status "shipped"; Draw an unoptimized query plan that will compute the answer to this SQL query. Consider a database with the following schema: CUSTOMERS(id, name, address, city, state, zipcode) ORDERS(id, date, custid, salestax, total, status) The SQL query is: SELECT SUM(total) FROM customers, orders WHERE customers.id orders.custid AND state "OH" AND city "Columbus" AND date "2023-03-10" AND status "shipped"; Draw an unoptimized query plan that will compute the answer to this SQL query.
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To create an unoptimized query plan for the given SQL query you would perform the following steps 1 Full Table Scans Start by performing a full table ... View the full answer
Related Book For
Concepts of Database Management
ISBN: 978-1285427102
8th edition
Authors: Philip J. Pratt, Mary Z. Last
Posted Date:
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