You are right. I completely missed that I need to include another criteria in the JOIN or in the WHERE. Thank you.
>The result is impossible for the query and data you posted.
>Most likely there're multiple records with PK=230 in one of tables or both.
>
>>
>>I am having a tough time understanding why the following query returns 6 rows for the PK_FLD = 230? Here are the two tables:
>>
>>Table A
>>PK_FLD ID_NAME
>>230 ABC
>>510 ABC
>>511 ABC
>>512 ABC
>>
>>TableB
>>PK_FLD
>>230
>>510
>>512
>>511
>>722
>>
>>
>>select TABLEA.PK_FLD FROM TABLEA JOIN TABLEB ON TABLEA.PK_FLD = TABLEB.PK_FLD
>>WHERE TABLEA.ID_NUMBER = "ABC"
>>
>>
>>I thought that the resulting query should have 4 rows but what is returned is:
>>230
>>230
>>230
>>230
>>230
>>230
>>510
>>511
>>512
>>
>>Could someone explain why? TIA
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