A UNION query is which of the following?

 Posted by Vishalneeraj-24503 on 5/25/2015 | Category: Sql Server Interview questions | Views: 1528 | Points: 40
Select from following answers:
  1. Combines the output from no more than two queries and must include the same number of columns.
  2. Combines the output from no more than two queries and does not include the same number of columns.
  3. Combines the output from multiple queries and must include the same number of columns.
  4. Combines the output from multiple queries and does not include the same number of columns.
  5. All Above

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