Oracle Server Room Door Puzzle

All Things Oracle on 27 April 2012 with 8 comments

Here at Red Gate we have installed an extra security measure to help prevent unauthorised access to our Oracle server room. Our server room has no windows, the air vents on the wall are for the air conditioning units and the room (or any light in the room) cannot be seen through them, and the door is solid steel. A… Continue Reading →

The String Puzzle

Cary Millsap on 30 March 2012 with 5 comments

A piece of string is stretched tightly around the Earth along its equator. Imagine that this string along the equator forms a perfect circle, and imagine that to reach around that perfect circle, the string has to be exactly 25,000 miles long. Now imagine that you wanted to suspend this string 4 inches above the surface of the Earth, all… Continue Reading →

Leaping Frog Puzzle

All Things Oracle on 21 March 2012 with 9 comments

There’s a nice pond near to Red Gate HQ, and now that it’s spring, the place is full of life. The frogs in the pond are the most active, and constantly annoy the old Toad with their agility. The frogs’ latest trick is to form a line of 8, and then leap over each other to end up in 4… Continue Reading →

Trouble in the Server Room Puzzle

All Things Oracle on 03 February 2012 with 3 comments

My apple core puzzle in December seemed to go down well with our mathematical-minded audience so I’m planning on putting up a monthly puzzle. This month’s puzzle will challenge your problem solving skills… Trouble in the server room Here at Red Gate central we have a pretty simply layout for our server room. The 9 servers are laid out on… Continue Reading →

The “Apple Core” Puzzle

All Things Oracle on 21 December 2011 with 5 comments

For the final post of 2011 we wanted to leave you with a puzzle to solve as you take some time off to relax: The “apple core” puzzle Consider an apple of radius r. From the apple we remove the ‘core’ of height 2h. What volume of apple remains? Please add your answers (and include your workings) as comments below…. Continue Reading →