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E20-007 · Question #65

E20-007 Question #65: Real Exam Question with Answer & Explanation

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Question

What describes the use of UNION clause in a SQL statement?

Options

  • AOperates on queries and potentially decreases the number of rows
  • BOperates on queries and potentially increases the number of rows
  • COperates on tables and potentially decreases the number of columns
  • DOperates on both tables and queries and potentially increases both the number of rows and columns

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