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sql_language thread: Exactly what am i doing wrong here???????


Message #1 by "Guy Harwood" <guy@h...> on Mon, 7 Jan 2002 15:03:48
Thanks for everyones input on my problem, it really helped.

Juliano's solution was exactly what i was looking for!!

Thanks again

Guy




> You are right I overlooked that part, my bad sorry
> 
> 
> 
> 
> -----Original Message-----
> From: Zadoyen, Eva [mailto:EZadoyen@s...] 
> Sent: Monday, January 07, 2002 12:30 PM
> To: sql language
> Subject: [sql_language] RE: Exactly what am i doing wrong here???????
> 
> 
> Denis,
> Your solution will return all Clients who has at least one
> TargetGroupcode out of all( that's what "in" stands for). The neat
> solution will be  to include 'HAVING' clause as was suggested by Juliano
> Moraes Rodrigues. But my solution with joins works too, and the choice
> depends on a table
> size: the Having clause executes after selection and IT  will return all
> records that fit a WHERE clause and only after that will test HAVING
> clause. JOINS return only required records so...
> 	Eva
> 
> -----Original Message-----
> From: Denis [mailto:dgobo@w...]
> Sent: Monday, January 07, 2002 11:51 AM
> To: sql language
> Subject: [sql_language] RE: Exactly what am i doing wrong here???????
> 
> 
> That's exactly the same as 
> select ClientID
> from MyTable where TargetGroupCode  in (5600,5519,5520)
> No need for 3 joins here
> 
> I think what he wants to accomplish is to get all the data back without
> having to put in the 3 values, ie he wants all clientid's back in 1
> resultset This would work but I don't think this is all he wants either
> SELECT     clientID
> FROM         SQLTry
> GROUP BY clientID
> 
> 
> 
> -----Original Message-----
> From: Zadoyen, Eva [mailto:EZadoyen@s...] 
> Sent: Monday, January 07, 2002 11:42 AM
> To: sql language
> Subject: [sql_language] RE: Exactly what am i doing wrong here???????
> 
> 
> Guy,
> How about using  joins:
> 
> select ClientID
> from MyTable t1 
> 	inner join MyTable t2 on t1.ClientID = t2.ClientID
> 	inner join MyTable t3 on t1.ClientID = t3.ClientID
> where t1.TargetGroupCode = 5600 and t2.TargetGroupCode = 5519 and
> t3.TargetGroupCode = 5520
> 
> Try it.
> 
> 	Good luck.
> 	Eva
> -----Original Message-----
> From: Guy Harwood [mailto:guy@h...]
> Sent: Monday, January 07, 2002 11:01 AM
> To: sql language
> Subject: [sql_language] RE: Exactly what am i doing wrong here???????
> 
> 
> that only seems to match against any one of the criteria.  I need it to
> match all of them.. any ideas??
> 
> > Select * from table where targetgroupcode in (5600,5519,5520) This
> > should do it If the targetgroupcode  is a varchar field the this 
> > should do it Select * from table where targetgroupcode in 
> > ('5600','5519','5520')
> > 
> > -----Original Message-----
> > From: Guy Harwood [mailto:guy@h...]
> > Sent: Monday, January 07, 2002 3:04 PM
> > To: sql language
> > Subject: [sql_language] Exactly what am i doing wrong here???????
> > 
> > 
> > I have a table which contains the 'target groups' that clients fall
> > into. A client can fall into many target groups.
> > 
> > example table data:
> > 
> > ClientID        TargetGroupCode
> > -------------------------------
> > 5634            5600
> > 5634            5519
> > 5200            5600
> > 5634            5520
> > 5211            4999
> > 5211            5520
> > 
> > I need to add some criteria to the end of a where statement which will
> 
> > only return a client which falls into all the targetgroups that are in
> 
> > the criteria.
> > 
> > for example, show me all clients that fall into targetgroups 5600,5519
> 
> > and 5520.
> > 
> > this would only bring back client 5634 from the above table.
> > 
> > Using IN, ALL and many subquery variations i cannot seem to do this.
> > 
> > Can anyone help????
> > 
> > Thanks in advance
> > 
> > Guy
> > ---
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