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Examine the structures of the EMPLOYEES and TAX tables. You need to find the percentage tax applicable for each employee. Which SQL statement would you use?（）
A:SELECT employee_id, salary, tax_percent   FROM employees e, tax t   WHERE e.salary BETWEEN t.min_salary AND t.max_salary;
B:SELECT employee_id, salary, tax_percent   FROM employees e, tax t   WHERE e.salary > t.min_salary, tax_percent
C:SELECT employee_id, salary, tax_percent   FROM employees e, tax t   WHERE MIN(e.salary) = t.min_salary   AND MAX(e.salary) = t.max_salary
D:You cannot find the information because there is no common column between the two tables.

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出自：Oracle认证

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