Differences in data format / data blocks

If we need to optimize some database or to find the best solution for some use case with a really huge amount of data then we need to think much more in categories like “memory usage”, “I/O rates depending on data format” etc. Buzz-words like...

Differences in memory usage

This text wants to highlight one major difference between old RDBMS systems and new noSQL databases. We will talk about memory usage and memory allocation. This difference is also based on historical reasons. RDBMS where created to function with rather small amount of...