Что думаешь? Оцени!
Copyright © ITmedia, Inc. All Rights Reserved.。业内人士推荐新收录的资料作为进阶阅读
The planner is still using the sequential plan. Only the estimated number of rows has changed. Why? If you remember from previous article, it's where column level statistics come into play. Histogram bounds still match the original 10,000 rows we inserted.。新收录的资料是该领域的重要参考
“Being the connector used to be a moat,” Saper said. “Soon, it’ll be a utility.”。关于这个话题，新收录的资料提供了深入分析
There’ll be more about OV, DV, EV, and CT