圖書標籤: SQL 計算機 sqlite sql
发表于2024-11-24
Getting Started with SQL pdf epub mobi txt 電子書 下載 2024
Businesses are gathering data today at exponential rates and yet few people know how to access it meaningfully. If you're a business or IT professional, this short hands-on guide teaches you how to pull and transform data with SQL in significant ways. You will quickly master the fundamentals of SQL and learn how to create your own databases. Author Thomas Nield provides exercises throughout the book to help you practice your newfound SQL skills at home, without having to use a database server environment. Not only will you learn how to use key SQL statements to find and manipulate your data, but you'll also discover how to efficiently design and manage databases to meet your needs. You'll also learn how to: Explore relational databases, including lightweight and centralized models Use SQLite and SQLiteStudio to create lightweight databases in minutes Query and transform data in meaningful ways by using SELECT, WHERE, GROUP BY, and ORDER BY Join tables to get a more complete view of your business data Build your own tables and centralized databases by using normalized design principles Manage data by learning how to INSERT, DELETE, and UPDATE records.
Thomas Nield is a Senior Analyst and business-facing software developer at Southwest Airlines in Revenue Management.Currently he is interested in reactive programming,Java,Kotlin, and tactical business software development.
就是來看下各種關鍵字的概念~as expected 毫不深入~適閤beginner(like me)
評分SQL入門書,簡單實用,基本的兩個概念,join 和group,講解清晰。作者認為join 操作是SQL的核心要點,完全同意。
評分臨時抱佛腳。如果對dplyr那個R包熟悉的話,這本書兩小時內可以刷完。
評分SQL入門書,簡單實用,基本的兩個概念,join 和group,講解清晰。作者認為join 操作是SQL的核心要點,完全同意。
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Getting Started with SQL pdf epub mobi txt 電子書 下載 2024