Comments on: counting dupes in Access http://cleverhack.com/2005/02/27/counting-dupes-in-access/ A Blog About Technology, Search Engine Optimization (SEO), Internet Marketing And More. Fri, 21 Nov 2008 15:07:59 +0000 http://wordpress.org/?v=2.0.2 by: Arthur http://cleverhack.com/2005/02/27/counting-dupes-in-access/#comment-910 Mon, 28 Feb 2005 01:44:41 +0000 http://cleverhack.com/2005/02/27/counting-dupes-in-access/#comment-910 <code> select invoice_number, count(invoice_number) from allthoseinvoices_eh group by invoice_number order by invoice_number; </code>
select invoicenumber, count(invoicenumber) from allthoseinvoiceseh
group by invoicenumber
order by invoice_number;

]]> by: Dave http://cleverhack.com/2005/02/27/counting-dupes-in-access/#comment-909 Mon, 28 Feb 2005 00:55:08 +0000 http://cleverhack.com/2005/02/27/counting-dupes-in-access/#comment-909 My first guess would be something like select somefield, count(*) from sometable group by somefield having count(*) > 1 Instead of "somefield", you could use a bunch of fields and it will tell you how many times each combination occurs. The having clause restricts it to combinations that occur more than once. My first guess would be something like

select somefield, count() from sometable group by somefield having count() > 1

Instead of “somefield”, you could use a bunch of fields and it will tell you how many times each combination occurs. The having clause restricts it to combinations that occur more than once.

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