>>Hi,
>>
>>I am running into a problem where the error message is:
>>
>>Only one expression can be specified in the select list when the
>>subquery is not introduced with EXISTS
>>
>>
>>The SQL Select is as follows:
>>
>>select Table1.Field1 from Table1 where Tabel1.Field1 in (select Table2.Field1, Table2.Field2 from Table2 where
>>Table2.Field2 in (select Table3.Field2 from Table3))
>>
>>
>>That is, in the above SQL Select there are two IN clauses.
>>
>>Does the error mean that I have to change the second IN with EXISTS? Or both IN have to be change to EXISTS?
>>
>>TIA
>You can't have more than one field selected in IN clause
>
>in (select Table2.Field1, Table2.Field2 FROM...
>
>should be:
>
>in (select Table2.Field1 FROM ...
>
First, thank you.
But if I have only one field in the Select Table2.Field1, then how do I have the last part:
Table2.Field2 in (select Table3.Field2 from Table3)?
That is, in order for me to select from Table3, don't I have to have the field Table2.Field2?
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