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So the need now is to retrieve the country for each selected city. Here's the new configuration :

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It's possible to join two or more tables. It's important to know that if the query works on your DBMS it will also work on the customfield configuration except when :

  • Using ORDER BY you must add in the where clause: column name like '%' in our example the query becomes:
Bloc de code
select city,country from city c inner join country co on c.country_id = co.country_id where city like '%' order by c.city_id



Here is the result for of this custom configuration :

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