替代触发器( Instead of trigger) 只能定义在视图上(可以是关系或对象)。与DML 触 发器不同, DML 触发器是在DML 操作之外运行的,而替代触发器则代替激发它的DML 语...
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${FilePath} 将在任务执行时被它当前拥有的完整路径值（包括触发器文件名）所替代并被资源监控器读取。
FilePath} will be read by the resource monitor and substituted at task execution time by the value it currently has for the full path, including the filename of the trigger file.
例如，在这个变量替代中，触发器文件c： \ monitored \ FinanceAgent \ reports . txt将变为FinanceAgent。
For example, in this variable substitution, the trigger file c: \ monitored \ FinanceAgent \ reports.txt will become FinanceAgent.
可以使用箝位电路替代Schmitt触发器净化高频输入脉冲。正反馈放大器是信号级脉冲…
You can use a clamping circuit instead of a Schmitt trigger to clean up…
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