该列表包含可用的模型、维度、事实和测度，因为当用户开始分析数据时，这些都将用作初始的进入点。
This list should contain the models, dimensions, facts, and measures available, as these will all be used as initial entry points when a user begins analyzing data.
虽然这种提醒看上去有些傻，但事实就是这样。开发列表中总是充斥着这一类的问题，这些问题都是不受欢迎的。
While this might seem a silly caution, it's warranted; development lists are always inundated with spam and requests like this, and they're not appreciated.
构建散列表时，连接键被下推用于过滤事实表的行，性能也显著提高。
When hash tables are built, join keys are pushed down and used to filter the rows of the fact table, and performance improves dramatically.
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