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select if null

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Topic

macuser
Starting Member

2 Posts

Posted - 2013-12-05 : 01:55:15

I have select:

select *
from serviceorders as zlecenie
--join orderitems as linijki on linijki.serviceorder_id = zlecenie.id
where zlecenie.id = 38

table: serviceorders(headers) is joined to orderitems(items).
In above case(id=38) - I have serviceorder, but i don't have orderitems(in remaining case data are present in both tables).
If I ask only for serviceorders=38 - I receive result, but if I ask about orderitems too I will receive empty result(but I need data from serviceorders(such Name, adress).

How can I ask about data from serviceorders in case when orderitems is empty but I need data from serviceorders(such Name, adress)?

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-12-05 : 02:08:24

[code]
select *
from serviceorders as zlecenie
left outer join orderitems as linijki
on linijki.serviceorder_id = zlecenie.id
where zlecenie.id = 38
[/code]

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macuser
Starting Member

2 Posts

Posted - 2013-12-05 : 02:54:21

many thanks, it works!

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