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How to access data from foreign key table


How to access data from foreign key table

By : user2952229
Date : November 19 2020, 12:41 AM
help you fix your problem Solution - you need to JOIN two times, each for every FK you're interested in:
code :
SELECT s.comp_name, u.user_name, a_from.city AS city_from, a_to.city AS city_to
FROM company s
LEFT JOIN User u ON s.user_id = u.user_id 
LEFT JOIN Address a_from ON s.from_address_id = a_from.address_id
LEFT JOIN Address a_to ON s.to_address_id = a_to.address_id
WHERE s.user_id = 1001;


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How do I access foreign table data within a repeater

How do I access foreign table data within a repeater


By : user2935694
Date : March 29 2020, 07:55 AM
Any of those help In the repeater itemDataBound event get any data you need with LINQ and display what you need.
How to access data in foreign key table from EntityDataSource?

How to access data in foreign key table from EntityDataSource?


By : code-sat
Date : March 29 2020, 07:55 AM
may help you . You should setup an association on each entity. For Code First it should look something like this:
code :
class User {
  // user properties...

  [ForeignKey("UserGroupID")]
  public virtual Group Group { get; set; }
}

class Group {
  // group properties...
  public virtual ICollection<User> Users { get;set; }
}
user.Group.GroupName
foreign table, foreign sever and foreign data wrapper: how they communicate

foreign table, foreign sever and foreign data wrapper: how they communicate


By : Dale Babiy
Date : March 29 2020, 07:55 AM
help you fix your problem When the postgreSQL database server gets the query, how does it find the related foreign data wrapper to resolve the query? What does exactly foreign server do? , Let's clarify the terminology.
How to access data in foreign key table

How to access data in foreign key table


By : sanuk
Date : March 29 2020, 07:55 AM
it should still fix some issue Does this help?
var availableBooks = books.Where(b => b.Tickets.Where(t => t.BorrowingDate == null).Count() == 0).ToList();
How to access foreign key table's data in Django templates?

How to access foreign key table's data in Django templates?


By : mdanaher
Date : March 29 2020, 07:55 AM
I hope this helps . I want to access foreign key table's data into django templates. , You want
code :
{{Tutorial_obj.tutorial_category.category_summary}} 
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