In this case we query the emp table and filter for 'Goyal.'
在这个例子中，我们查询emp表，并用‘Goyal’进行过滤。
Filter conditions, such as buffer pool name, table space name, table name.
过滤条件，如缓冲池名、表空间名、表名。
Since the sales fact table is quite large, the same filter should be applied there.
由于销售事实表非常大，因此使用了同样的过滤。
The plan is such that the driving table has the best filter.
从表中获取最好的过滤器的计划。
The plan is such that the driving table has the best filter.
从表中获取最好的过滤器的计划。
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