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).
Signing In. To sign in and authorize your computer with iTunes, you need access to the iTunes Menu Bar. Press. Press Ctrl-B, or click the small icon in the upper-left corner of the window and select Show Menu Bar.Make the Menu Bar visible.igning In. To sign in and authorize your computer with iTunes, you need access to the iTunes Menu Bar. Press. Press Ctrl-B, or click the small icon in the upper-left corner of the window and select Show Menu Bar.