Because this is just a dummy app for demonstration purposes and I wanted to keep the code as short as possible, I didn't check my input arguments as I would have for a realistic app.
因为这只是用于演示的虚拟应用程序,我想让代码尽可能简短,所以没像在实际应用程序中那样检查输入参数。
3
While testing stored procedures during development from the command line, you may need to create dummy XML documents to send as input parameters. Listing 4 provides a simple technique to do that.