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 ...

MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table. If you try to insert a duplicate row with a ...