How to retrieve joins relation two time in same rows with different value

Question

2.00/5 (1 vote)

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hello guys...

can you guys help me with this problem ?
the problems
i have two table that related to each other twice
so they may come two times in same rows for example
the related value may be in first rows 1 and in second rows 2
but when im joining them both comes with same value (1)
and that's wrong ,,
im sorry if i couldn't explain well :(
i created this example that's show exactly my problems.

SQL

 tblcity
+---------+------------+
| ID      | NAME       | 
+---------+------------+
|1        | paris      |
|2        | munchen    |
|3        | Berlin     |
+---------+------------+
tblmv
--this table is realted with tblcity twice once with from_city second to_city   
+---------+------------+-----------+--------+--------+
| ID      | NAME       |from_city  |to_city |status  |
+---------+------------+-----------+--------+--------+
| 1       | JAmes      | 1         |  2     |arrive  |
| 2       | Alex       | 2         |  3     |depart  |
+---------+------------+-----------+--------+--------+
view table be like 
+---------+------------+-----------+--------+-------+
| ID      | NAME       |from_city  |to_city |status |
+---------+------------+-----------+--------+-------+
| 1       | JAmes      | paris     |munchen |arrive |
| 2       | Alex       | munchen   |Berlin  |depart |
+---------+------------+-----------+--------+-------+

any kind of help will be so appreciated

What I have tried:

i tried with all joins way inner join left join right joins

Posted 22-Aug-16 11:45am

jame01

Updated 22-Aug-16 12:38pm

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RossMW · Accepted Answer · 2016-08-22T12:38:00

To get the results you need, you need to join the tblCity table twice. Once for the From_City value and again for the To_City value.

What you end up with is something like

SQL

SELECT        dbo.tblmv.ID, dbo.tblmv.Name, dbo.tblmv.Status, tblCity_1.name AS from_City, dbo.tblCity.name AS To_City
FROM            dbo.tblCity INNER JOIN
                         dbo.tblmv ON dbo.tblCity.ID = dbo.tblmv.From_City INNER JOIN
                         dbo.tblCity AS tblCity_1 ON dbo.tblmv.To_City = tblCity_1.ID

which gives you results of

ID Name Status from_City To_City
1 James arrive Munchen Paris
2 Alex Depart Berlin Munchen