This worked given data in your example.

select min(f1) from qtemp/tst a
where not exists
(select * from qtemp/tst b
where a.f1-1=b.f1)
and a.f1>1



From: Jan Grove Vejlstrup <jgv@xxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 12/01/2015 04:33 AM
Subject: SQL - Question
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



Hello,

I have a file with one field:

1
2
4
5
6
8
9

Is it possible with SQL to get the lowest number *not* in the file, here
3? Or the highest, here 7.

Best regards

Jan

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