How to select records not present in either two similar tables

Article View: borland.public.interbase.sql

Article #542

Back to borland.public.interbase.sql Previous Next

#542

From: Leonardo Tansini
Date: Tue, 20 Nov 2007 20:10

3 lines
1034 bytes

In my IB db I've two big employees tables whith the same structure and  
keys. I need to create a query to select the employees present in the  
first table that are not present in the second one. Some help? Regards.

Technical Details

Message-ID: <op.t13wz0jinnuxdn@salaxp>

Path:

arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!news1.google.com!news.glorb.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail

Show Full Headers

Complete Article Headers

X-Google-Thread: 114a0e,69fa63958f1f7eb3,start
X-Google-Attributes: gid114a0e,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
Date: Tue, 20 Nov 2007 21:10:38 +0100
Subject: How to select records not present in either two similar tables
From: "Leonardo Tansini" <ltansini@katamail.com>
Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15
MIME-Version: 1.0
Newsgroups: borland.public.interbase.sql
Content-Transfer-Encoding: 7bit
Message-ID: <op.t13wz0jinnuxdn@salaxp>
User-Agent: Opera Mail/9.24 (Win32)
NNTP-Posting-Host: 82.88.86.151
X-Trace: newsgroups.borland.com 1195589576 82.88.86.151 (20 Nov 2007 12:12:56 -0700)
Lines: 3
Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!news1.google.com!news.glorb.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail