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结果

 customer_id |      customer_name      |    contact_name     |      address       |    city     | postal_code | country
-------------+-------------------------+---------------------+--------------------+-------------+-------------+---------
           6 | Blauer See Delikatessen | Hanna Moos          | Forsterstr. 57     | Mannheim    | 68306       | Germany
          39 | Koniglich Essen         | Philip Cramer       | Maubelstr. 90      | Brandenburg | 14776       | Germany
          55 | Old World Delicatessen  | Rene Phillips       | 2743 Bering St.    | Anchorage   | 99508       | USA
          56 | Ottilies Keseladen      | Henriette Pfalzheim | Mehrheimerstr. 369 | Koln        | 50739       | Germany
          79 | Toms Spezialiteten      | Karin Josephs       | Luisenstr. 48      | Manster     | 44087       | Germany
(5 rows)
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