API 层方法包含一些事务指令，它们指示事务管理程序整合和使用由客户端层开始的事务作用域。

The API-layer methods contain transaction directives instructing the transaction manager to incorporate and use the transaction scope started by the client layer.

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STAR_JOIN—STAR_JOIN指令指示优化器尽可能地选择星型连接计划。

STAR_JOIN - the STAR_JOIN directive instructs the optimizer to favor a star join plan whenever possible.

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rotqby指令(代表的是“rotate (left) quadword by bytes”)使用加载自的地址以指示寄存器的旋转程度。

The rotqby instruction, "rotate (left) quadword by bytes," USES the address you loaded from to indicate how far to rotate the register.

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That program counter points to some location in memory typically to the first instruction in the sequence.

程序计数器指示存储器当中的某些位置,尤其是指示序列中的第一个指令。

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