The customer product number and the operator suppose in advance in the parameter establishment, prepares the transfer inquiry.

客户产品号和操作员在参数设置内预设，以备调用查询。

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Almost all in operator child inquiry ADAPTS be use EXISTS child inquiry.

几乎将所有的IN操作符子查询改写为使用EXISTS的子查询。

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Secondly, the transfer operator is designed and the judgment method of optimum inquiry standard is given.

其次设计了换乘算子并给出最优查询标准判断方法；

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Eurotunnel's purchase of assets from the former ferry operator Sea France is to face an inquiry over worries the deal could reduce competition and raise fares for cross-Channel travellers.

BBC: Eurotunnel purchase of Sea France ferries faces inquiry