Oracle
1Z0-047 · Question #26
1Z0-047 Question #26: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine DEPARTMENTS and the LOCATIONS tables. Evaluate the following SOL statement: SELECT location_id, city FROM locations I WHERE NOT EXISTS (SELECT location_id FROM departments WHERE location_id <> I. location_id); This statement was written to display LOCATIONJD and CITY where there are no departments located. Which statement is true regarding the execution and output of the command?
Exhibit
Options
- AThe statement would execute and would return the desired results.
- BThe statement would not execute because the = comparison operator is missing in the WHERE
- CThe statement would execute but it will return zero rows because the WHERE clause in the inner
- DThe statement would not execute because the WHERE clause in the outer query is missing the
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