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).
Download the iTunes software to your new device or computer. You will need this software on your new device to access your iTunes media. 1  Visit the iTunes website, and select the option to download the software from the computer or device you want iTunes authorized.2  Follow the instructions to complete the installation on your computer or device. Open iTunes on the device you'd like to remove iTunes from. 2  Select Store, and then select De-authorize Computer.. 3  Earlier iTunes versions may require that you access this option through the Advanced menu.