In 2002... we were thinking: All these people want to push the Agile Manifesto, they want to join us... join what?
在2002年……我们在想:所有这些人都想推行敏捷宣言,他们想加入我们的行列……加入什么呢?
A star join plan utilizing push-down hash join technology makes hash joins more effective primarily due to reduction of fact table (probe table) rows early on.
利用下推连接技术的星型连接计划使得散列连接更加有效的主要原因是,在初期减少了事实表(探测表)的行数。
The primary purpose of a push-down hash join is to reduce number of rows processed from the fact table, which probes each of the hash tables.
下推散列连接的主要目的是减少处理的事实表行数,这样可以探测每个散列表。
应用推荐