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Re: SQL Select Question



Duncan

Just use a does not exist in a subselect in your where clause.

> -----Original Message-----
> From: Connaghan, Rebecca [SMTP:RConnaghan@OMNIPOINT-CORP.COM]
> Sent: Thursday, July 09, 1998 10:01 AM
> To:   Multiple recipients of list SQR-USERS
> Subject:      Re: SQL Select Question
>
> Duncan
> Why don't you try a subselect:
>
> select from table A where not in (select from table B).
>
> > -----Original Message-----
> > From: C. Duncan Hudson [SMTP:c_duncan_hudson@YAHOO.COM]
> > Sent: Thursday, July 09, 1998 10:34 AM
> > To:   Multiple recipients of list SQR-USERS
> > Subject:      SQL Select Question
> >
> > I realize that this is really an SQL question, and not an SQR
> question
> > but I was hoping that with everyone's expertise here I could get a
> > quick (and satisfactory) answer.
> >
> > Here's my question.  I want to create a report that selects about 10
> > columns from a single table.  The selection should be based upon
> field
> > values within that table.  Also (and here's where I'm having
> > problems), I need to look at another table to see if the first
> table's
> > primary key is represented in it.  If it is, I want to exclude it
> from
> > my selection.  Do you follow that?  Here's a crude visual:
> >
> > TABLE A                 TABLE B
> > 100                     98
> > 101                     100
> > 105                     108
> > 107                     110
> > 110
> > 111
> >
> > In the above example I would want to select 101, 105, 107 and 111
> from
> > Table A.  Can anyone give me a hand?  Thanks in advance,
> >
> >
> > Dunc.
> >
> >
> >
> >
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