SQL exist query

Snapshot of data:
num                               type                       f_id
7654321                           1                          7
7654321                           1                         2
7654321                           70                         3
1234567                           1                          2
1234567                           70                         3
1234567                           70                         2

I need the sql query that returns the num when the num is not associated to f_id = 7:
In this example: it should return 1234567
needpleaseAsked:
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Simone BSenior E-Commerce AnalystCommented:
If I understand correctly what you're looking for, this should work:

SELECT num FROM tbl WHERE num NOT in
(SELECT num FROM tbl
WHERE f_id = 7)
0
Simone BSenior E-Commerce AnalystCommented:
Actually, you should probably add DISTINCT to the previous query:

SELECT DISTINCT num FROM tbl WHERE num NOT in
(SELECT num FROM tbl
WHERE f_id = 7)
0
needpleaseAuthor Commented:
The query still returns both numbers:

7654321
1234567
0
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deightonprogCommented:
what does this return?

SELECT distinct num FROM tbl
WHERE f_id = 7

1234567 - should not be in there, if it is, then that explains it

TRY

SELECT DISTINCT tbl.num FROM tbl WHERE NOT EXISTS
(SELECT 0 FROM tbl  n2
WHERE n2.f_id = 7 AND n2.num = tbl.num)
0
agusacilCommented:
This should get what you need :

select distinct(num) from tablename t1 where not exists (select num from tablename t2 where t2.ID = 7 and t2.num = t1.num)

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needpleaseAuthor Commented:
Perfect
0
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