Oracle
1Z0-071 · Question #308
1Z0-071 Question #308: Real Exam Question with Answer & Explanation
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Question
Which two statements are true about a self join? (Choose two.)
Options
- AIt can be a left outer join.
- BIt must be a full outer join.
- CIt can be an inner join.
- DIt must be an equijoin.
- EThe join key column must have an index.
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