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When is an outer join used instead of a natural join? Give some examples. Can an outer join be easily implemented when joining more than
When is an outer join used instead of a natural join? Give some examples.
Can an outer join be easily implemented when joining more than two tables? Why or why not?
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Structured Search For Big Data From Keywords To Key-objects
Authors: Mikhail Gilula
1st Edition
012804652X, 9780128046524
