Consider an employee database with two relations employee (employee-name, street, and city) works (employee-name, company-name, salary) where
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Consider an employee database with two relations employee (employee-name, street, and city) works (employee-name, company-name, salary) where the primary keys are underlined. Write a query to find companies whose employees earn a higher salary, on average, than the average salary at First Bank Corporation.
a. Using SQL: 1999 functions as appropriate.
b. Without using SQL: 1999 functions.
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