When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present due to a duplication issue. You can use a simple alteration ...

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 ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...