Essential SQL Queries (To Me, At Least)
For a session of five-minute “lightning talks” at this week’s 2010 Investigative Reporters and Editors conference in Phoenix, I contributed “Five Essential Queries for SQL Server.” Aside from the basic...
View ArticleCalculating Medians With SQL
Given that median is such a valuable statistical measure, it’s baffling that Microsoft’s SQL Server and other relational databases (MySQL, PostgreSQL) don’t have a built-in MEDIAN function. Well, this...
View ArticleGenerate JSON From SQL Using Python
Let’s say you want to generate a few hundred — or even a thousand — flat JSON files from a SQL database. Maybe you want to power an interactive graphic but have neither the time nor the desire to spin...
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App launch: 2014 elections forecast
With more than 1,300 candidates, 507 races, top-line campaign finance data and poll averages for select races, the 2014 midterm elections forecast app we launched in early September is probably the...
View Article‘Practical SQL’ Book in Early Release
My first book, Practical SQL: A Beginner’s Guide to Storytelling with Data, is out in early release from No Starch Press starting today! If you pre-order from No Starch, you can download the...
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