troubleshooting Question

Identifying Duplicates

Avatar of PeterErhard
PeterErhard asked on
Microsoft SQL ServerMicrosoft SQL Server 2008SQL
4 Comments1 Solution201 ViewsLast Modified:
I have an Invoicing table containing the following sub-set of fields:

InvoiceID (PK)
SupplierID
InvoiceNumber
InvoiceDate
InvoiceAmount

Within the table, there are many duplicate records where the SupplierID, InvoiceNumber,InvoiceDate, InvoiceAmount are the same. There could be one duplicate or in some cases more than one duplicate.

I want to delete all but one of any identified duplicates. How could this be done?
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