A PROC SQL inner join can combine

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  1. a maximum of 2 tables or in-line views, but multiple joins can be chained together.

  2. a maximum of 32 tables or 2 in-line views.

  3. a maximum of 32 tables, which includes any tables referenced by an in-line view.

  4. a maximum of 2 tables and 32 columns.

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Correct Option: C

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