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Jun 25th, 2017
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  1.  SELECT I1.GIVEN_NAME, I1.FAMILY_NAME, I1.DEPARTMENT
  2.   FROM INSTRUCTOR I1
  3.   WHERE I1.SALARY > AVG(
  4.    SELECT I2.SALARY
  5.     FROM INSTRUCTOR I2
  6.     AND I1.DEPARTMENT = I2.DEPARTMENT)
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