07 2019 档案

SQL SQL Index SEEK VS Lookup
摘要：SEEK - find everything from index Lookup - find key from index, then visit table to find other row data. http://www.theboreddba.com/Categories/indexes 阅读全文
posted @ 2019-07-17 14:11 tang88seng 阅读(363) 评论(0) 推荐(0)