>>>>Hi,
>>>>
>>>>I have been struggling with the following issue.
>>>>
>>>>I will start with the SQL Select that works:
>>>>
>>>>select * from work_his join eq_file on eq_file.id_number = work_his.id_number and eq_file.site_no = 8
>>>>
>>>>
>>>>The above selects records from the table WORK_HIS. No problem.
>>>>
>>>>Now I want to add a WHERE so that only more recent records are selected. Here is the SQL Select:
>>>>
>>>>select * from work_his join eq_file on eq_file.id_number = work_his.id_number and eq_file.site_no = 8
>>>>where cast(DATE_CLOS as date) = ( Select MAX( cast(DATE_CLOS as date)) from work_his)
>>>>
>>>>
>>>>That is, I added the WHERE to the above SQL Select. Now No records are selected.
>>>>
>>>>What am I missing?
>>>>
>>>>TIA
>>>
>>>Maybe ALL Date_Clos field are NULLs?
>>
>>I double checked and all but one of the selected records have valid DATE_CLOS. That is, many have NULL and one has a valid date.
>>Should I eliminate the NULL dates from the SQL Select?
>
>
>Did you get any record from this:
>
>select *
> from work_his
>join eq_file on eq_file.id_number = work_his.id_number
> and eq_file.site_no = 8
> AND DATE_CLOS IS NOT NULL
>
Yes, the above works. Please see my message to myself where I described the cause of the problem.
Thank you.
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