Re: How to write such a query

Hi, Adrian,

On Fri, Sep 18, 2020 at 12:58 PM Adrian Klaver
<adrian.klaver@aklaver.com> wrote:
>
> On 9/18/20 10:46 AM, Igor Korot wrote:
> > Hi, Johnathan,
> >
> > On Fri, Sep 18, 2020 at 12:34 PM Jonathan Strong
> > <jonathanrstrong@gmail.com <mailto:jonathanrstrong@gmail.com>> wrote:
> >
> >     Are you looking to arbitrarily update the field in the fifth row, or
> >     can the row that needs to be updated be isolated by some add'l
> >     attribute? What's the use case?
> >
> >
> > What do you mean?
> > I don't have any other attributes.
> >
> > I want to understand how to emulate MS Access behavior, where you have a
> > form
> > with the arbitrary query, then you can go to any record in that form and
> > update any field.
> >
> > Is it even possible from the "pure SQL" POV? Or Access is doing some
> > VBA/DB/4GL magic?
> >
>
> When you are updating a record in a form the framework(Access in your
> case) is using some identifier from that record to UPDATE that
> particular record in the database. From when I used Access, I seem to
> remember it would not give you INSERT/UPDATE capability on a form unless
> you had specified some unique key for the records. So you need to find
> what the key(generally a PRIMARY KEY) is and use that to do the UPDATE.

But now the question becomes

How to find what the primary key (or UNIQUE identifier) value is
for row 5 in the recordset?

Thank you.

>
> > Thank you.
> >
>
>
>
> --
> Adrian Klaver
> adrian.klaver@aklaver.com