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> return one result set from 2 queries

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#1 (permalink)

Old

08-05-09, 20:56

gamo

gamo is offline

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Join Date: Jul 2009

Location: Sydney

Posts: 13

return one result set from 2 queries

Say I have 2 tables, but in this particular instance I am only interested in columns which are equivalent in both of them

for e.g.

table A

id | status | other column which I'm not interested in
______________________
a1 | good | whatever
a2 | bad | whateversdlsf
a3 | good | something

table B

id | status | a different column to other column above
______________________
b1 | good | lalala
b2 | bad | junk data
b3 | good | not interesting

and what I want is

results

id | status
_________
a1 | good
a2 | bad
a3 | good
b1 | good
b2 | bad
b3 | good

how can I return the rows like this?

I can guarantee that the primary keys of table a & table b never clash

(I am using db2 9.5)

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#2 (permalink)

Old

08-05-09, 21:36

Stealth_DBA Stealth_DBA is offline

Stealth_DBA is offline

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Join Date: May 2009

Posts: 472

gamo, Unless I am missing something, this should work:

Code:

SELECT ID, STATUS
FROM TABLE_A
UNION ALL
SELECT ID, STATUS
FROM TABLE_B
ORDER BY ID, STATUS

I added the ORDER BY to sort the results.

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#3 (permalink)

Old

08-05-09, 21:44

gamo

gamo is offline

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Join Date: Jul 2009

Location: Sydney

Posts: 13

ah - union - so obvious...now I feel a bit silly...

thanks!!

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