单选题
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?（）
发布日期：2021-01-28
SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE e.salary BETWEEN t.min_salary AND t.max_salary;
SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE e.salary > t.min_salary, tax_percent
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
You cannot find the information because there is no common column between the two tables.
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