So I cleared my one hour phone screen SQL and Python interview with all questions done correctly with 20 minutes to spare. I did 6…
Category: Data Engineering
Pandas which is a well-know library for data analysis in Python also contains robust functionality to read data from various external sources. Usually when Data…
Let’s create dimensional model for the stories feature of Facebook. There are two different processes related to Facebook stories – one is the story creation…
In part 1 and part 2, I described how to mimic and calculate metrics for photo upload process on Facebook. This is in relation to…
This is in continuation to my previous post here. By the end of the first post I had created the user_activity_log mimicry process which logged…
I am writing this blog post while preparing for the Facebook Data Engineering interview. The onsite round consists of various scenario based questions which largely…