Oracle
1Z0-047 · Question #222
1Z0-047 Question #222: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables. To retrieve data for all the employees for their EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, the following SQL statement was written: 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 column name
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