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随笔分类 -  MySQL

摘要:Any changes to a page is first done to the in-memory copy of the page. The page that is modified in memory and not yet flushed to disk is marked as th 阅读全文
posted @ 2020-03-24 20:47 dai.sp 阅读(486) 评论(0) 推荐(0) 编辑
摘要:聚簇索引 (主键索引)(Clustered Index (Primary Index)) 聚簇索引与其说是索引,不如说是InnoDB用来存储记录的数据容器更为恰当。 InnoDB中的聚簇索引采用B-Tree组织起来,每个节点都是一个Page(InnoDB存储记录的最小单位);非叶节点存 Key 的值 阅读全文
posted @ 2020-03-24 15:08 dai.sp 阅读(2011) 评论(1) 推荐(0) 编辑