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 ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to give ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Once you’ve installed SQLite, you’ll probably want to learn how to maneuver around the ...

SQL has always been the main language to calculate and process structured data. However, as technology evolves, Java is now often used to process data in order to meet the needs of scalability. Data ...

Spreadsheets organize and manipulate data. Whether you keep track of your small business expenses, catalog your Warhammer 40,000 collection, or compare the best Android tablets on paper, spreadsheets ...

Learn to insert rows into a database by adding LINQ to SQL objects to a table-related collection. LINQ to SQL translates additions to SQL INSERT commands. Developers using Visual Studio can use the ...

To insert multiple rows in Excel, first highlight the number of rows you want to add. Then, right-click the selected rows and click Insert in the context menu. You can also add a row in Excel by right ...