>>Hi,
>>
>>I need to create a SQL Select with a subquery (I think) but I am lost on how to "pass" the value to the subquery.
>>
>>Here is what I am trying to do:
>>
>>Table1 has the following fields
>>id_field c(15)
>>incl_in_sel bit
>>Table2 has the following fields
>>id_field c(15)
>>field2 c(20)
>>date_fld t (type DateTime in SQL Server)
>>
>>Select records from Table1 that have incl_in_sel = 1 (checked) and Table2.date_fld not equal to today and field2 = 'ABC'
>>
>>For example, he is my attempt:
>>
>>

>>select * from Table1 where incl_in_sel = 1 and Table1.id_field = (select Table2.id_field from Table2 where date_fld <> GetDate() and field2 = 'ABC')
>>

>>
>>But even without trying I don't think the above will work. What am I missing?
>
>If you're looking into a query from table1 where you don't have rows with today's day and field2 = 'ABC' in the second table, then use NOT EXISTS subquery, e.g.
>

>select * from Table1 T1 where not exists (select 1 from Table2 T2 where T2.id_field = T1.id_field
> and CAST(T2.date_fld  as date) = cast(CURRENT_TIMESTAMP as date)
>and T2.field2 = 'ABC')

Without testing, intuitively I think that this one would be faster. Thank you.