Since a few weeks ago I faced writing some batch ingest process written in Python. This information came from Big Data, so, in order to bring back the result set, I had to have to improve my SQL skills. Work with larger datasets could be dangerous and frustrating if you have not enough care for how much information you are querying, aggregating, and storing (as a temporary store). After that, if you are making some visualizations in a web-based plot tool, the response time is critical.

Learning SQL is the best technical book that I have recently read because Alan…


Literato de sistemas, informático de letras.

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