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  1. Prepare
  2. SQL
  3. Basic Select
  4. Weather Observation Station 5
  5. Discussions

Weather Observation Station 5

  • tuyendev
     + 2 comments

    If you want use rownum, you should rewrite code like this

    SELECT * FROM (SELECT CITY, LENGTH(CITY) FROM STATION ORDER BY LENGTH(CITY)) WHERE ROWNUM <= 1;