Oracle
1Z0-061 · Question #263
1Z0-061 Question #263: Real Exam Question with Answer & Explanation
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Question
In which two cases would you use an outer join? (Choose two.)
Options
- AThe tables being joined have NOT NULL columns.
- BThe tables being joined have only matched data.
- CThe columns being joined have NULL values.
- DThe tables being joined have only unmatched data.
- EThe tables being joined have both matched and unmatched data.
- FOnly when the tables have a primary key/foreign key relationship.
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