Oracle
1Z0-047 · Question #204
1Z0-047 Question #204: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)
Options
- AThe outer query stops evaluating the result set of the inner query when the first value is found.
- BIt is used to test whether the values retrieved by the inner query exist in the result of the outer query.
- CIt is used to test whether the values retrieved by the outer query exist in the result set of the inner query.
- DThe outer query continues evaluating the result set of the inner query until all the values in the result set
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