Re: Help with SQL

[Charles Wilt <charles.wilt@xxxxxxxxx>]

select *
from taba A
where exists (select 1 from tabb B
              where b.fld1 - a.fld1
                    and b.fld2 = 'P' and fld3 > 20190101
              )

Charles


On Thu, Jan 16, 2020 at 4:20 PM Vinay Gavankar <vinaygav@xxxxxxxxx> wrote:

> Hi,
>
> I need some help with SQL.
>
> I have 2 Tables TABA & TABB which have a common field, say FLD1
>
> TABA is unique on FLD1. TABB has millions of records for one value of FLD1.
> TABB is a partitioned file with billions of records.
>
> TABB also has FLD2 for Status and FLD3 for date (field type is decimal).
>
> I want to select all records in TABA where there is at least one record in
> TABB with matching FLD1 and FLD2 = 'P' and FLD3 > 20190101
>
> Can anyone please suggest sql. It is a one-time exercise.
> Also, if anyone is familiar with 'SEQUEL' by HelpSystems, we are required
> to use that on prod boxes, and there are subtle differences in the syntax.
>
> TIA for the help
> Vinay Gavankar
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