July 2023
Intermediate to advanced
278 pages
5h 40m
Chinese
Content preview from Trino 权威指南：原书第2版
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9
第 1 章
Trino 介绍
你也许听说过
Trino
，然后找到了本书，或者你正在浏览第
1
章的内容，以便决定是否
继续研读。本章将讨论快速增长的海量数据带来的诸多问题，以及隐藏在这些数据中的
价值，也会提及
Trino
是通过结构化查询语言（
Structured Query Language
，
SQL
）来处
理和访问所有数据的重要推动者。
Trino
的设计和特性能让你获得更好的洞见，你可以更快地获得那些之前需要更高的成
本或更长的时间才能获得的信息。同时，使用更少的资源并因此节省了预算。利用节省
下来的资源，你可以学到更多！
虽然我们也会介绍本书之外的更多资源，但希望你先从本书开始学习。
1.1
大数据带来的问题
每个人都在采集越来越多的数据，这些数据涉及设备指标、用户行为跟踪、商业交易、
地理位置、软件及系统测试程序和工作流等。从这些数据所获得的洞见，能够决定一个
创业项目乃至一家公司的成败。
同时，数据存储机制日益多样：关系型数据库、
NoSQL
数据库、文档数据库、键值存储
和对象存储系统等。对于当今的组织结构，它们当中很多是必备的，只使用其中一种已
经不够了。应对如图
1-1
所示的情形是一项令人生畏的艰巨任务。
此外，这些不同的系统不允许你使用标准工具来查询和检视数据。面向特定系统的查询
语言和分析工具比比皆是。与此同时，你的商业分析师已习惯使用业界标准
—
SQL
，
无数强大的工具依赖
SQL
来分析数据、创建仪表盘、制作丰富的报告以及完成其他商业
智能工作。
Trino权威指南 1-6.indd 9Trino权威指南 1-6.indd ...
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and much more.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.