For our purposes, it suffices to understand that asynchrony is introduced into a federated query plan by the optimizer's judicious placement of the TQ (Table Queue) operator.

就我们此处的目的而言，只要理解异步是通过优化器明智地放置TQ(表队列)操作符而引入到联邦查询计划之中的就足够了。

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Federated asynchrony can be recognized in execution plans by the existence of the new ATQ (Asynchronous Table Queue) operator directly above SHIP operators corresponding to remote operations.

通过对应于远程操作的SHIP操作符上的AT Q (asynchronous Table Queue)操作符，可以识别执行计划中的联邦异步。

youdao

The time-share operator would queue up an assortment of customers so that not a second of processor time went to waste.

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In July 2012, Amor supplied Milan Malpensa operator SEA with a Bluetooth queue measurement system.

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Another click, the voice states you have reached the head of the queue, your call will be answered as soon as the next operator becomes available.

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