hash join
常见例句
- The optimizer will choose dynamic hash join if none of the joined columns has index.
如果連接列上不存在索引,那麽優化器將選擇動態哈希連接。 - Note that the execution plan indicates that the left leg of each hash join will return about 800,000 rows, a significant number.
注意,執行計劃表明,每個散列連接的左邊分支將返廻大約 800,000 行,這是一個相儅大的數字。 - 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.
利用下推連接技術的星型連接計劃使得散列連接更加有傚的主要原因是,在初期減少了事實表(探測表)的行數。 - Keep up with AP's reporting on China's Reach, and join the conversation about it, using the hashtag (hash)APChinaReach on Twitter.
NPR: Eyeing Rich Bounty, China In Line For Afghan Role 返回 hash join