下一个例子将展示如何调用需要一个参数值的存储过程。
This next example shows how to call a stored procedure that needs a parameter value.
需要有状态上下文的应用程序的例子有很多，例如存储检查过程、产品定制、多页表单向导和很多其他基于线形交互的应用程序。
Examples of applications that require a stateful context include a store checkout process, product customization, multipage form wizards, and many other applications based on linear interactions.
图1显示一个例子，其中一个执行s QL存储过程的任务被安排为每30秒运行一次。
Figure 1 depicts an example where a task to execute an SQL stored procedure is scheduled to run every 30 seconds.
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