https://www.zhihu.com/topic/20062171/top-answers…

这个资料关于分布式系统资料,作者写的太好了.拿过来以备用 网址:https://github.com/ty4z2008/Qix/blob/master/ds.md 希望转载的朋友,你可以不用联系我．但是一定要保留原文链接,因为这个项目还在继续也在不定期更新．希望看到文章的朋友能够学到更多． <Reconfigurable Distributed Storage for Dynamic Networks> 介绍:这是一篇介绍在动态网络里面实现分布式系统重构的paper.论文的作者(导师)是MIT…

Course textbooks Text 1: M. T. Oszu and P. Valduriez, Principles of Distributed Database Systems, 2nd ed., Prentice-Hall, 1999.Errata Text 2: J. Han and M. Kamber, Data Mining: Concepts and Techniques, Morgan Kaufmann, 2000.Errata Lecture Schedule Th…

This article is from blog of Amazon CTO Werner Vogels. -------------------- Today is a very exciting day as we release Amazon DynamoDB, a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. Dynamo…

ORACLE数据库中Global Database Name与DB LINKS的关系还真是有点纠缠不清,在说清楚这个关系前,我们先来了解一下Global Database Name的概念 Global DataBase Name 概念 1. What is a global database name? ------------------------------------------------------------------------------- The global databa…

关于oracle database link,使用database link相关的查询语句是否会开启事务呢?我们知道,在数据库中一个简单的SELECT查询语句不会产生事务(select for update会产生事务).如下测试所示: 我们首先准备测试环境,创建了一个database link: LINK_NODEFINE_TEST,然后我们开始测试 CREATE PUBLIC DATABASE LINK LINK_NODEFINE_TEST CONNECT TO TEST IDENTIFIED…

Database https://en.wikipedia.org/wiki/Database A database is an organized collection of data.[1] A relational database, more restrictively, is a collection of schemas, tables, queries, reports, views, and other elements. Database designers typically…

转自:https://blog.yugabyte.com/distributed-postgresql-on-a-google-spanner-architecture-query-layer/ Our previous post dived into the details of the storage layer of YugaByte DB called DocDB, a distributed document store inspired by Google Spanner. This…

How to Change the DBID, DBNAME Using NID Utility (Doc ID 863800.1) Changing the DBID and Database Name (DB_NAME) : 1. Ensure you have valid cold/hot backup of database. If it's a hot backup (RMAN or OS), ensure you also have all the archived logs and…

一.CPU和PSU 近日,将数据库从9.2.0.6升级到11.2.0.4后,发现11.2.0.4通过DBLINK访问其他的9i库时发生ORA-02072错误,通过Google找到解决方案,即升级到PSU 11.2.0.4.8,在此,记录一下安装补丁的过程,建议在打补丁前仔细阅读补丁Readme文档的相关章节,有关补丁的所有细节都可以在文档中找到. 关于ORA-02072: ORA-02072: distributed database network protocol mismatch Caus…