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10.01.2008 at 06:31PM PDT, ID: 23780277
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8.1

Finding inexact duplicates (date range)

Asked by hotwaterfortea in SQL Query Syntax, Microsoft Office Suite, Microsoft Access Database

Tags: , , ,

I need to write an SQL query for Microsoft Access that will allow me to identify potential duplicate invoices.  My store's definition of "duplicate" is a set of invoices that have the same vendor identification number, are for the same amount, and have the same invoice date to within 14 days of each other.  For example, say this is my data set, in a table called Invoices:

Vendor_No, Amount, Invoice_Date
V042, 50.00, 3/13/2008
V042, 50.00, 3/11/2008
V042, 50.00, 3/15/2008
V042, 50.00, 4/13/2008
V011, 50.00, 3/13/2008

I want a query that will return the first three while excluding the last two.  Any help would really be appreciated.Start Free Trial
[+][-]10.01.2008 at 06:43PM PDT, ID: 22620666

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[+][-]10.01.2008 at 06:54PM PDT, ID: 22620713

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[+][-]10.01.2008 at 07:03PM PDT, ID: 22620757

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[+][-]10.01.2008 at 07:24PM PDT, ID: 22620809

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[+][-]10.01.2008 at 08:00PM PDT, ID: 22621064

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[+][-]10.01.2008 at 08:16PM PDT, ID: 22621115

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[+][-]10.01.2008 at 08:33PM PDT, ID: 22621192

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[+][-]10.02.2008 at 12:24AM PDT, ID: 22621895

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About this solution

Zones: SQL Query Syntax, Microsoft Office Suite, Microsoft Access Database
Tags: Microsoft, Access, 2000, SQL, date range
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Solution Provided By: cactus_data
Participating Experts: 4
Solution Grade: A
 
 
[+][-]10.02.2008 at 06:39AM PDT, ID: 22624081

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[+][-]10.02.2008 at 03:01PM PDT, ID: 22629170

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[+][-]10.02.2008 at 03:12PM PDT, ID: 22629266

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[+][-]10.02.2008 at 05:19PM PDT, ID: 22629912

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20081112-EE-VQP-42 - Hierarchy / EE_QW_2_20070628