Oracle
1Z0-146 · Question #81
1Z0-146 Question #81: Real Exam Question with Answer & Explanation
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Question
In which situation should you use an outer join query?
Options
- AThe employee table has two columns that correspond.
- BThe employee and region tables have corresponding columns.
- CThe employee and region tables have no corresponding columns.
- DThe employee table column corresponding to the region table column contains null values for rows
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