I have table, where type A has two values and type B has two values
A | B
-----|--------
val1 | val1
val2 | val2
I do subquery but I get dubolicate values,it looks like this
A | B
-----|--------
val1 | val1
val1 | val2
val2 | val1
val2 | val2
My query:
SELECT A, B
FROM
(SELECT DISTINCT title as A
FROM TABLE1
INNER JOIN TABLE2 ON TABLE1_TABLE2_ID = TABLE2_ID
INNER JOIN TABLE3 ON TABLE1_TABLE3_ID = TABLE3_ID
WHERE TABLE_TABLE3_ID = 2008 AND TABLE_TYP LIKE 'A' AND TABLE1_AKTIV = 'Y')
LEFT JOIN
(SELECT DISTINCT title as B
FROM TABLE1
INNER JOIN TABLE2 ON TABLE1_TABLE2_ID = TABLE2_ID
INNER JOIN TABLE3 ON TABLE1_TABLE3_ID = TABLE3_ID
WHERE TABLE_TABLE3_ID = 2008 AND TABLE_TYP LIKE 'B' AND TABLE1_AKTIV = 'Y')
ON 1 = 1
Have you any Ideas how I can do it without duplicates?
The problem is ON 1=1
. This will get you all combinations. you need to change query with proper reference column some thing like ON A.id=B.id
.
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