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  1. Prepare
  2. SQL
  3. Advanced Select
  4. Occupations
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Occupations

  • cgaton0
     + 0 comments

    MySQL

    SELECT d.name, p.name, s.name, a.name
FROM (SELECT name, ROW_NUMBER() OVER (ORDER BY name ASC) AS id
      FROM OCCUPATIONS
      WHERE Occupation = "Doctor") AS d
RIGHT JOIN (SELECT name, ROW_NUMBER() OVER (ORDER BY name ASC) AS id
      FROM OCCUPATIONS
      WHERE Occupation = "Professor") AS p ON d.id = p.id
LEFT JOIN (SELECT name, ROW_NUMBER() OVER (ORDER BY name ASC) AS id
      FROM OCCUPATIONS
      WHERE Occupation = "Singer") AS s ON p.id = s.id
LEFT JOIN (SELECT name, ROW_NUMBER() OVER (ORDER BY name ASC) AS id
      FROM OCCUPATIONS
      WHERE Occupation = "Actor") AS a ON p.id = a.id