SQL Select where not exists?

Posted on 2012-12-26
Medium Priority
Last Modified: 2012-12-26
I have a view with the following 4 fields

ClientID   ContactID    ContactType   FullName

I want to do a UNION all and
Select  ClientID, ContactID,ContactType,FullName
From ClientContacts

Where the ClientCOntacts record doesn't exist in the View

The similar fields are of course ClientID and ContactID
Question by:lrbrister
LVL 21

Accepted Solution

Dale Burrell earned 2000 total points
ID: 38722275
select  ClientID, ContactID, ContactType, FullName
from ClientContactsView C
union all
select  ClientID, ContactID, ContactType, FullName
from ClientContacts C
where not exists (
  select 1
  from ClientContactsView C1
  where C.ClientID = C1.ClientID and C.ContactID = C1.ContactID

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Author Closing Comment

ID: 38722296
Buried and can't remember the simplest thing

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