With this technique, you are effectively starting the transaction at a lower level in the call stack, thereby reducing the amount of time you are in the database.

通过此技巧，您可以有效地在调用栈的较低层次开始事务，从而减少花费在数据库中的时间。

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Always starting transactions at the highest level in the call stack (the API layer) can be inefficient, particularly in cases of high-user-throughput and high-database-concurrency needs.

始终在调用栈的最高层(api层)启动事务有时会效率低下，特别是对于具有高用户吞吐量和高数据库并发性需求的应用程序。

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It makes life easier for device manufacturers because it provides a starting point - a known working implementation of the stack that can be adapted to various devices.

它的出现使设备制造商变得更轻松，因为它提供了一个起始点—可以在多种设备中使用的堆栈的知名工作实现。

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"If you are an insurance company and are starting a service for your claims adjusters, the Services Delivery Platform software stack will know how to integrate it with your existing e-business infrastructure, transcode it, and deliver content to these in-car devices, " Desai said.

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Starting with very small investments and then following those companies that succeed up the funding stack?

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