I have not yet gone through this journal but I think it contains a lot of useful information! essaymama has some work published in it as well. From the over alone, it seems like the work nerds would enjoy!
O’Reilly – Learning Path SQL for Business Users English | Size: 6.30 GB Category: Tutorial
If you’re looking for “just enough” SQL knowledge to wrangle data and do sophisticated analysis, this Learning Path is for you. You’ll get a solid understanding of basic database design principles and normalization. You’ll learn how to pipeline data to other analysis tools (R, Python, even Excel). You’ll be able to prototype a database that suits your business needs, and form accurate queries and database updates in several SQL environments-all without getting bogged down in the deeply technical aspects of SQL that you will never use.
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