Deadlock or just a queue? Follow three sessions and find the cycle in this Sunday SQL puzzle.
Which Cable Reaches the Database? A Sunday Puzzle
Which cable reaches the database? Four coloured cables cross behind a rack. Follow each one to its destination.
The Backup That Disappeared: Sunday Puzzle
The backup that disappeared is one of six cards. Compare the shelves and name the missing card after another card moves.
The Longer Query: A Sunday SQL Illusion
The longer query seems obvious in this Sunday illusion. Compare two bars in a server aisle, then check your answer.
SQL Puzzle – Retrieve the Unique Evens Under 10
In that spirit, let me walk through a bite-sized SQL puzzle that helps reinforce some key concepts. Let us see Retrieve the Unique Evens Under 10 puzzle.
SQL SERVER – The Flight Connection Puzzle
Today we are going to see another such puzzle – The Flight Connection Puzzle. This blog post is going to be really fun blog post.
SQL SERVER – The Two Doors, Two Guards Puzzle
I came across a puzzle about “The Two Doors, Two Guards,” popularly known as the “Two Doors Riddle” or the “Heaven and Hell Riddle”.