>Hi,
>
>I am trying to limit LEFT JOIN to select only one record. By design the child table should have only one record but I ran into a case where user had two records (wrong but it happens). And when two records are selected the entire resulting query is wrong. So, for example, say I have the following query:
>
>
>select .... from Table1 left join Table2 on Table1.pk_field = Table2.pk_field
>
>
>How can I change (if possible) the ON expression so that if Table2 has more than one record that matches the Table1.pk_field, only one is selected? (It does not matter to me which one). TIA.
Sergey has given you an answer. But, if "by design the child table should have only one record", then why is it a child table at all, rather than simply additional columns in the "parent" table?
Regards. Al
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