ship操作符从远程数据源获取数据。
The SHIP operator gets the data from the remote data source.
远程数据源上通常不提供关于一个视图的索引或统计信息。
There is usually no index or statistics information provided at the remote data source on a view.
异步的优点是通过在远程数据源上重叠执行查询而取得的。
The benefit of asynchrony is achieved by overlapping the execution of the queries at the remote data sources.
应用推荐