Recent Articles
HTTP Caches - All the web caches layer explained on one page
Cache is an important tool for data performance but may be creepy when controlling data consistency. Why am I seeing an old version, is it my code or is it the cache ? This article lists all the possible cache that exists on the web so that you can j...
Data all the way
Data Warehouse Subsystems
Developing a data warehouse means assembling a lot of subsystems in order to create a whole and coherent data application.
Discovers the 34 Kimball Subsystems and drill down to discover them
Data Processing
Data processing has changed a lot since 1940 :) and luckily, we are not using punch card anymore.
Stream processing is becoming the norm in data integration task while batch processing stays the king in data analysis.
ENIAC, 1946
The first fully electronic digital computer
Dimensional Data Modeling
Dimensional Data Modeling permits you to model a (hyper)cube and analyse a process through different perspective. You define dimensions, measures and metrics.
Most programs process some input to produce some output; that’s pretty much the definition of computing.
Function
A Function is the basic block of all reusable code component. It is also becoming the central component of any serverless architecture.
Knowledge isn't free. You have to pay attention.
Computing Division at the Department of the Treasury, mid 1920s
Table / Relation
The table format (known also as a relation) is the most important data structure used in data analysis. Did you know that its name originate from the medieval counting table ?
Education isn't something you can finish.