10 SQL Articles Everyone Must Read

Over the years, while researching interesting blog topics, we’ve discovered a lot of SQL gems in the blogosphere that have inspired our work and our passion for SQL.
Today, we’re presenting to you a list of 10 articles that we think you should absolutely read. At the end of the list, you will agree that either:

• SQL is awesome
• SQL is crazy

… or probably both. Here goes, in no particular order:

1. Joe Celko: “Divided We Stand: The SQL of Relational Division”

Relational division is a very powerful concept in relational algebra. It answers questions like:

Give me all the students that have completed a given set of courses

Unfortunately, division doesn’t have any direct equivalent in SQL.

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