首先需要将标量子查询的结果传送到联邦服务器。

The result of the scalar subquery first needs to be transferred to the federated server.

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可以使用标量子查询选择将用于where子句的表达式中的特定值。

You can use a scalar subquery to select a specific value that will be used in the expression of the WHERE clause.

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与SHIP1操作符相关的语句表明该标量子查询在Oracle上计算。

The statement associated with the SHIP1 operator shows the scalar subquery being computed on Oracle.

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