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Re: MYSQL select question

Posted by Geoff May on 05/23/05 18:43

Dave wrote:
> Hi,
>
> [snipped]
>
> if I try the following query, it returns incorrect cols for rows:
> SELECT table_1.ID, table_1.NAME if(table_1.ID = table_2.ID, table_2.FLAG, 0)
> AS MY_FLAG
> FROM table_1, table_2
> WHERE table_1.ID LIKE '1000%' ORDER BY table_1.ID;
>
> returns:
> ID NAME MY_FLAG
> 10001 10001 name 1
> 10001 10001 name 0
> 10002 10002 name 0
> 10003 10002 name 0

SELECT table_1.ID, table_1.NAME if(table_1.ID = table_2.ID, table_2.FLAG, 0)
AS MY_FLAG
FROM table_1, table_2
WHERE table_1.ID LIKE '1000%' ORDER BY table_1.ID
and table_1.ID = table_2.ID;

MfG

Geoff.

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