触发器支持行前触发器、行后触发器和语句触发器，触发器语句用过程语言复合语句编写。

Triggers Supports before row triggers, after row and statement triggers with trigger statements written in procedure language compound statements.

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一种就是将其他软件同视窗系统捆绑销售，最明显的就是其网络浏览器，这一行为触发了美国的反托拉斯诉讼。

One was by bundling other types of software along with Windows, notably its web browser, a move that triggered the antitrust action in America.

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然后行id扫描(RIDSCN)操作符将扫描这些行，触发行预取，并将行id传递到fetch操作符。

The row ID scan (RIDSCN) operator then scans these row IDs, triggers row prefetching, and passes the row IDs to the fetch operator.

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