The Directly remove Sol menu item in the Transaction Demo application provides an example of how to calltransaction code from the Web application's perspective.
Transaction Demo 应用程序的 Directly remove Sol 菜单项提供了一个例子，说明如何从 Web 应用程序角度调用事务代码。
2
Each database call needs a new session and transaction.
每次数据库调用需要一个新会话和事务。
3
For example, you can make the call asynchronous, you can change the transaction context, or make asynchronous calls more reliable.