Indexes are fundamental to database performance, but too often, they’re treated as “set it and forget it” structures. As the data landscape evolves—with hybrid cloud deployments, real-time analytics, ...

The clustered index is more like the table of contents. It’s the logical order the data is stored in. Because the actual data is also stored in the clustered index, the correct analogy for this type ...

Dr. James McCaffrey of Microsoft Research presents a full-code, step-by-step tutorial on technique for visualizing and clustering data. A self-organizing map (SOM) is a data structure that can be used ...

A good way to see where this article is headed is to take a look at the screenshot in Figure 1 and the graph in Figure 2. The demo program begins by loading a tiny 10-item dataset into memory. The ...