用户信息
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Z-Library. The world's largest ebook library.
Contains 11,339,000+ books and 84,837,000+ articles for free. -
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A brief history of the UUID
The Segment team's latest thinking on all things data, product, marketing, and growth. -
分布式存储研究——Bigtable
这篇博客是这一季度分布式存储研究论文研读的第二篇，主要记录的是论文Bigtable: A Distributed Storage System for Structured Data的研读情况。论文发表于OSDI 2006。 -
Wide column vs column family vs columnar vs column oriented DB definition
There are lots of confusions among these terms. I'd like to through my understanding out and see if people agree. I have seen conflicting and wrong definition all over the web. In my mind, wide col... -
Queries for Finding Poorly-Designed MySQL Schemas and How to Fix Them - Percona Database Performance Blog
MySQL queries to find poorly-designed schemas...and how to fix them. -
SQL Performance Best Practices
Three simple rules to follow when building indexes to squeeze better performance out of your SQL queries. -
翟东升：全球货币体系的逻辑与汇率风险管理（合集）
2022年4月翟东升受邀给一批企业的CFO们做了一次线上讲座。本视频为三讲合集。第三部分有个小错误，正确的算法应该是30万亿乘以2%。当然，在现实中，应该考虑两个因素，一是国债的期限结构因素，此前发行的长期国债利率是不变的。二是一部分债务由联邦机构持有，比如联储获得的利息收入，绝大部分会返还。#翟东升#货币#外汇... -
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DuckDB - Friendlier SQL with DuckDB
Now we can save time repeatedly typing all columns, improve code readability, and retain flexibility as additional columns are added to underlying tables.
