>>I am trying to figure out how to use a subquery in the following example:
>>
>>Table1
>>PK_FLD, TASK_NO
>>
>>Table2
>>TASK_NO, FLDA, FLDB
>>
>>I want the resulting query to have as many records as there are in Table1 adding columns FLDA and FLDB from
>>Table2 according to the matching TASK_NO.
>>
>>My attempt at this query is as following
>>
>>Select Table1.PK_FLD, Table1.TASK_NO, T2.FLDA, T2.FLDB from Table1 where (select * from Table2 where
>>TASK_NO = Table1.TASK_NO) T2
>>
>>
>>But I get error of incorrect use of subquery. What am I missing? TIA.
>
>use JOIN instead of subquery.
>
>Select Table1.PK_FLD,;
> Table1.TASK_NO,;
> T2.FLDA,;
> T2.FLDB;
>from Table1 ;
>INNER JOIN Table2 T2 ON T2.TASK_NO = Table1.TASK_NO;
>** You could use LEFT JOIN if you want ALL records from Table1 and only matching records from Table2
>
I am sorry that I probably mislead you (and Yuri) since I didn't indicate that I want records from Table2 (that do non have matching to Table1 on TASK_NO). That is, I want all records from Table1 and the records from Table2 that do not have matches. I think INNER or LEFT JOINT won't give me that. At least I tried.
Thank you and Yuri.
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