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The demand for SQL information and training continues to grow with the need for a database behind every website capable of offering web-based information queries. SQL is the de facto standard for database retrieval, and if you need to access, update, or utilize data in a modern database...
SQL for Smarties was hailed as the first book devoted explicitly to the advanced techniques needed to transform an experienced SQL programmer into an expert. Now, 20 years later and in its fifth edition, this classic reference still reigns supreme as the only book written by a SQL master that...
I have been signed up to the SQLpassion newsletter from Klaus Aschenbrenner for a long time. There are a whole load of quick training videos on his website covering lots of areas and a great performance tuning training plan that is delivered for free over 6 months via a weekly email. Really like...
This Node JS tutorial series for beginners will walk you through step by step what Node JS is, and how it all works. Then you will go on to create a Node JS application from scratch using express, and hook it up to MongoDB - a noSQL database perfect for using with Node.
The MongoDB manual is a great place to pick up key concepts from the authoritative source.
MySQL tutorial for beginners - Learn MySQL, the world's most popular open source database.
Keys and unique values
Planning a database
Normalization and denormalization
Data analysts examine information using data analysis tools and help their teams develop insights and business strategies. You’ll need skills in math, statistics, communications, and working with tools designed to do data analytics and data visualization. Explore this high-demand career.
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