How to Check for Duplicates Before Inserting Into SQL. When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present ...

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 ...

If you query your Access database to generate a mailing list, but the list contains duplicate names and addresses, this helpful trick will save you some time. See how tweaking the query properties ...