rknfish

rknfish

i need more love
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Lecture #08: Trees Indexes

refer to course refer to Note refer to Slide [[TOC]] 1. Table Indexes table index 是一份表属性的副本,主要用来加速。 table index 主要权衡两个方面的因素 维护的代价 加速的效果…
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Lecture #07: Hash Tables

refer to Note refer to Slides refet to courses 1. Data Structure DBMS 主要包括以下几种数据 Internal Meta-Data : 记录有关数据库和系统的信息 Core Data Storage…
《上个世纪的学校》 书摘
书源 《昨日的世界》 茨威格,数百年前的「现代」「教育」,「军事化」的教育 Pt.1 填鸭式、流水线化的教育 然而,在那开明的自由主义时代,只有所谓高等学府的教育,即进入大学,才完全有真正的价值。因此,每个上流家庭都追慕在自己的儿子中至少有一个在名字前冠有博士学衔…
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Lecture #06: Memory Management

refer to Note refer to Slide 1. Introduction 如何存储: 我们的 pages 要存储在 disk 上的什么样的地方 快速操作: 对于 DBMS 来说,在进行操作数据之前需要将所有的的数据从 Disk 先转移到 Memory…
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Lecture #05: Storage Models & Compression

refer to Slide refer to Note mindmap root((Lecture 5)) Workloads OLTP OLAP HTAP Storage Models N-Ary DSM Columnar…
清泉之心
剧情 PV 人们望向流水,叹息时光匆匆流淌。 而在清泉停驻的村庄,情思如湖光般澄亮。 “等待的时候是不觉得苦的,可是如果你真的回头了,我会觉得这一路的等待还是漫长了些。” 游戏文本 HoyoWiki! 第一卷 清泉镇猎人们口口相传的传说故事,讲述了泉水精灵与不知名少年的相遇…
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CMU15445 Project 0 Trie_Tree

CMU 15-445 实验目标 该实验为 CMU 15-445/645 的前置实现。主要考察 C++ 使用的功底。 我所采用的课程为 fall20221 相关代码可以在 Release2 中下载 该课程主要涉及到两方面内容 如何搭建环境 C++ 的使用 classDiagra…
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