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Finding Gaps

Author

Topic

BigRetina
Posting Yak Master

144 Posts

Posted - 2003-04-07 : 06:56:44

Salute..
How can I write a select statement to find the gap in a serialized column such as :
InvoiceNo
---------
1
2
3
5
9

I want to return the following:
Gaps:
------
4
6
7
8

Thanks In Advance

Page47
Master Smack Fu Yak Hacker

2878 Posts

Posted - 2003-04-07 : 07:11:14


select
    n.n
from
    dbatoolbox.dbo.numbers n
where
    not exists (
        select 1
        from
            BigRetina
        where
            n.n <> InvoiceNo )

dbatoolbox.dbo.numbers is a tally table with ints from 1 to whatever.

Jay White
{0}

Peter Dutch
Posting Yak Master

127 Posts

Posted - 2003-04-07 : 07:13:39

http://www.nigelrivett.com/

EDIT
sorry, forgot to refresh...
/EDIT

Edited by - Peter Dutch on 04/07/2003 07:15:18

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