User-defined functions that return a table data type can be powerful alternatives to views. These functions are referred to as table-valued functions. A table-valued user-defined function can be used where table or view expressions are allowed in Transact-SQL queries.
1 Go to the iTunes folder that contains the iTunes library files 2  : Windows: Navigate to \Users\ username \Music\iTunes\. 3  Drag the iTunes Library.itl file to your Desktop. 4  In the iTunes folder, open the Previous iTunes Libraries folder. Windows: Navigate to \Users\ username \Music\iTunes\. 2  Drag the iTunes Library.itl file to your Desktop. 3  In the iTunes folder, open the Previous iTunes Libraries folder. 4  Find the file named iTunes Library YYYY-MM-DD where YYYY-MM-DD is the date you updated iTunes (Year-Month-Day).
Method 2 of 3: Updating iTunes on Windows PC. 1. Open iTunes. Double-click on the iTunes icon on your Desktop. If you cannot find it, press â Win to open your Start menu or Start screen, then type. into Search. Click on iTunes from the list of Program results. 2. Check for updates.o to the Apple iTunes Download page. On your web browser, go to http://www.apple.com/itunes/download/ . 2. Click Download Now. Click the blue Download Now button on the left side of the page to download iTunes.