Oracle
1Z0-071 · Question #40
1Z0-071 Question #40: Real Exam Question with Answer & Explanation
The correct answer is D. The EMPLOYEES and DEPARTMENTS tables have more than one column with the same. See the full explanation below for the reasoning.
Question
View the exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables. You wrote this SQL statement to retrieve EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, for all employees: SELECT employee_id, first_name, department_name FROM employees NATURAL JOIN departments; The desired output is not obtained after executing the above SQL statement. What could be the reason for this?
Exhibit
Options
- AThe NATURAL JOIN clause is missing the USING clause.
- BThe table prefix is missing for the column names in the SELECT clause.
- CThe DEPARTMENTS table is not used before the EMPLOYEES table in the FROM clause.
- DThe EMPLOYEES and DEPARTMENTS tables have more than one column with the same
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