Database Architects

During automated testing we stumbled upon a problem that boiled down to transitive comparisons: If a=b, and a=c, when we assumed that b=c. U...

Query compilation based on the produce/consume model has a reputation for delivering high query performance, but also for being more diffic...

 On a whim I decided to do this years advent of code in pure SQL. That was an interesting experience that I can recommend to everybody beca...

In November, I had the pleasure of attending the Dutch-Belgian DataBase Day , where I moderated a panel on practical challenges often overlo...

About three years ago we noticed serious  performance problems in C++ exception unwinding . Due to contention on the unwinding path these be...

Due to better access locality, B-trees are faster than binary search trees in practice -- but are they also better in theory ? To answer th...

In recent years, flash-based SSDs have largely replaced disks for most storage use cases. Internally, each SSD consists of many independent ...