3. (10 points) Consider the following SQL statement: SELECT last_name, department_id, AVG(salary) FROM hr.employees; a. Why will

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3. (10 points) Consider the following SQL statement:

SELECT last_name, department_id, AVG(salary)

FROM hr.employees;

a. Why will the above SQL statement return an error in Oracle Live SQL?

b. What can you do to fix it?

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Posted Date: Apr 29, 2022 10:43 AM

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3. (10 points) Consider the following SQL statement: SELECT last_name, department_id, AVG(salary) FROM hr.employees; a. Why will

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a Why will the above SQL statement return an error in Oracle Live SQL The stateme... View the full answer

Database System Concepts

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