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Behavior of NULLS

One of the more interesting aspects of database management systems is the concept of NULL markers. Because they are a source of great confusion and much debate (for more on this debate, I highly recommend C.J. Dates' Database in Depth: Relational Theory for Practitioners) I decided to create a summary of all the different SQL … Continue reading Behavior of NULLS →

Scott Peters Uncategorized Leave a comment June 23, 2022

Scott Peters

Welcome to my SQL Puzzle website.  I hope you enjoy solving these puzzles as much as I have enjoyed creating them. All solutions are written in T-SQL, but can be easily modified to fit your flavor of SQL. I also have quite a few tips, tricks and learning materials available if you scroll through my blog.  I try to keep things to the advanced level and not recreate the already abundant amount of SQL resource materials available. I have also started incorporating Python puzzles in my blog as well.  Many of them are riddles and hacker statistics that are better solved in Python. Feel free to contact me with any new puzzles that would be a great for this blog.

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