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THIRD CHAPTER | TEST SECTION 2
TEST E2E PROGRESS SQL
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TEST E2E PROGRESS SQL

TEST E2E PROGRESS SQL

1. TEST SECTION
2. TEST SECTION 2

bookTHIRD CHAPTER

1. What columns are required when using the `UNION` clause in SQL?
2. How does the `UNION` clause treat duplicate rows by default?
What columns are required when using the `UNION` clause in SQL?

What columns are required when using the UNION clause in SQL?

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How does the `UNION` clause treat duplicate rows by default?

How does the UNION clause treat duplicate rows by default?

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Seção 2. Capítulo 3
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