December 2021
Intermediate to advanced
470 pages
15h 2m
Chinese
Overview
你或许熟悉SQL基础知识，但能否充分发挥它的强大威力呢？本书从实战角度展示SQL在查询之外的能力。你将学会用SQL进行统计分析，像使用商业智能工具那样制作报表，进行文本数据匹配，以及执行复杂的日期数据分析。本书的写作方式独树一帜，以160余个真实场景为例，提供了让你耳目一新的解决方案。书中的实例短小精悍，涵盖5种主流的关系数据库：Oracle、MySQL、SQL Server、PostgreSQL和DB2。
数据分析师、数据科学家和数据库管理员可以通过本书练习解决SQL问题的能力，并开拓思路。对于其他需要在日常工作中与SQL打交道的读者，本书也是弥足珍贵的参考书，有助于快速查找解决方案。
本书第2版做了如下更新。
- 全面修订了原有实例，帮助你巩固基础知识并充分利用各个SQL实现引入的窗口函数
- 新增了一些实例，旨在帮助你采用可读性更强、更容易实现的通用表表达式（CTE）
- 为非数据库专家（如数据科学家）量身定制了一些实例
- 扩展了处理数字和字符串的解决方案
- 包含更多标准解决方案
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