Re: SQL-HELP

[Jochem van Dieten]

Carl Sch�le, IT, Posten wrote:
I got a table, champions, looking like this:

id                   winner_1         winner_2
--------------------------------------------------------
0                    carl                 mattias
1                    daniel             carl
2                    erik                 daniel
3                    erik                 johan
What I want is to retrieve the unique names ie:

carl
mattias
daniel
erik
johan
I use MySQL 3.23.58 (which means I can't use sub-selects).
The smart way: get a database that understands UNION.

The other way:
SELECT DISTINCT
        CASE
                WHEN c1.id = c1.id THEN c1.winner_1
                ELSE c1.winner_2
        END AS winner
FROM
        champions c1,
        champions c2
Jochem

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