[AccessD] NOT Query.

If you're sure Clients is actually null... what happens if they're just 
empty?

<groan> :)

Susan H.


> How about another query with a left join from query B to query A, and pull
> only the records where    queryA.Clients is Null, ie:
>
> SELECT QueryB.Clients, QueryA.Clients
> FROM QueryB LEFT JOIN QueryA ON QueryB.Clients = QueryA.Clients
> WHERE (((QueryA.Clients) Is Null));
>
> HTH
>
> Rusty
>
> -----Original Message-----
> From: accessd-bounces at databaseadvisors.com
> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Susan Harkins
> Sent: Monday, March 30, 2009 5:33 PM
> To: Access Developers discussion and problem solving
> Subject: Re: [AccessD] NOT Query.
>
> EXISTS?
>
> http://www.devx.com/dbzone/Article/9570/1954
>
> Susan H.
>
>
>> Thanks Max - And i was just looking at (NOT IN) and thinking  "oooh,
>> that looks useful" :)  noted!.
>>
>>
>> Darryl,
>> Do not use the NOT IN clause if you can avoid it.  It is extremely
>> slow on large datasets.  The quickest way was given to me (I think by
>> Jim) some time back but I cannot recall it and don't have time to go
>> searching right at this moment.
>>
>> I have two queries.  Query A and Query B both contain a field called
>> Clients (Based on the same underlying data).  A and B correctly return
>> a different number of records in the client field.  I want to be able
>> to list which clients are in query B that are missing in Query A.
>> Basically I want the opposite of joining the two queries based on the
>> clientfield.
>>
>
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