what does "foo" mean in SqlServer Query ?

Posted by John on Stack Overflow See other posts from Stack Overflow or by John
Published on 2010-06-01T15:51:38Z Indexed on 2010/06/01 15:53 UTC
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SELECT * FROM 
 ( SELECT RANK() OVER (ORDER BY stud_mark DESC) AS ranking, stud_id, stud_name, stud_mark FROM tbl_student )
  AS foo WHERE ranking = 10

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