Q:

Which of the following is correct:

mhmadesk
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2022-07-07
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Which of the following is correct:

  1. a SQL query automatically eliminates duplicates.
  2. SQL permits attribute names to be repeated in the same relation.
  3. a SQL query will not work if there are no indexes on the relations
  4. None of these
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mhmadesk
2022-07-07
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(d).None of these

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