Re: Help with SQL

[Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>]

I think Charles meant b.fld1 = a.fld1 - otherwise, this looks fine.

On 1/16/2020 7:58 PM, Charles Wilt wrote:
> 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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