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《Beginning SQL Queries: From Novice to Professional 》(PDF 英文版)

《Beginning SQL Queries: From Novice to Professional 》(PDF 英文版)

书名:《Beginning SQL Queries: From Novice to Professional 》(PDF 英文版)

上传:鱼和流氓

时间:2009-01-25

文件大小:6.61 MB

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《Beginning SQL Queries: From Novice to Professional 》(PDF 英文版)



(PDF 英文版)
By Clare Churcher
ISBN10: 1-59059-943-8
ISBN13: 978-1-59059-943-3
240 pages
Apr 2008 (Apress)



Does not bore with syntax!

Helps you learn the underlying concepts involved in querying a database, and from there the syntax is easy

Provides exceptionally clear examples and explanations

Is academically sound while being practical and approachable


What you’ll learn:



Write simple queries to extract data from a single table.

Understand relational algebra and calculus and why they are important.

Combine data from many tables into one business result.

Avoid pitfalls and traps such as Cartesian products and difficulties with null values.

Summarize large amounts of data for reporting purposes.

Apply set theory to the problems of manipulating data and generating reports.


详细介绍,目录,试读,源码在此:http://www.apress.com/book/view/1590599438
Tags:BeginningNovicepdfProfessionalSQL


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