Effectively maintaining an Access database requires the regular removal of duplicate records. The Find Duplicates Query wizard handles this chore quickly and easily. When maintaining an Access ...

-- id is the primary key for this table. -- Each row contains an email. The emails will not contain uppercase letters. -- Problem: Delete all duplicate emails, keeping only one unique email with the ...

Twice in the past couple of months I’ve gotten tripped up by the same data issue when using LINQ to Entities in the .NET framework. I create a simple view in my database which performs some ...

Long spreadsheets with a lot of entries can sometimes mistakenly have multiple instances of the same data. It's easy to remove them in Google Spreadsheet by making a simple script, says MakeUseOf. In ...

Microsoft Power Query requires less specialized knowledge when trying to find duplicate records in a Microsoft Excel sheet. There are several ways to find duplicates in a Microsoft Excel sheet. You ...