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SQL Queries for Mere Mortals, 4th Edition

The #1 Easy, Common-Sense Guide to SQL Queries—Updated with More Advanced Techniques and Solutions

SQL Queries for Mere Mortals has earned worldwide praise as the clearest, simplest tutorial on writing effective queries with the latest SQL standards and database applications. Now, author John L. Viescas has updated this hands-on classic with even more advanced and valuable techniques. Step by step, Viescas guides you through creating reliable queries for virtually any current SQL-based database. He demystifies all aspects of SQL query writing, from simple data selection and filtering to joining multiple tables and modifying sets of data.

Chapters and Articles

Learn how to get analytics from a website, save the data in a form that you can use for analysis, and make inferences about the results of the analysis.

A refresher of mathematical concepts used in shader programming.

Get a handful of useful strategies to help you become more efficient at work using cloud computing for a variety of tasks.

One of the most appealing aspects of Rails is how we can declaratively specify the criteria for determining the validity of model objects. In this excerpt, the ActiveRecord Validations API is covered in-depth.

Long time Ubuntu member Matthew Helmke outlines his top 10 foundational commands that every Linux user must learn if they are to be successful.

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