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      Question

      What is the purpose of the SQL "UNION" operator?

      A To combine two or more tables into one table Correct Answer Incorrect Answer
      B To combine the results of two or more SELECT queries into a single result set Correct Answer Incorrect Answer
      C To retrieve data from multiple tables using a single query Correct Answer Incorrect Answer
      D To create a temporary table in the database Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      The "UNION" operator is used to combine the results of two or more SELECT queries into a single result set, removing duplicates.

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