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@Python_Dv once you understand JOINS well, SQL becomes so much clearer. GROUP BY and window functions are where it gets really powerful though
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The @uofcincy’s @1819Innovation, @GrowCincyUSA, and @JobsOhio are powering the Midwest’s 1 hub for entrepreneurs—combining education, innovation, and investment to drive 20,000 new jobs and $3B in impact. https://t.co/t0AVX5x98P
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Here Comes the Gold mine for Data Engineers - A complete Pack (Free) Complete SQL Free Course - https://t.co/ctD5YuHz3V Complete Python Free Course (6 videos already released till now) lecture 1 - https://t.co/A19fSrIhXl lecture 2 - https://t.co/u4stvODJYB lecture 3 -
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SQL Interview Cheatsheet 📘 #sql
Scraping Amazon is usually a ton of work -but today I made it effortless. I pointed Oxylabs’ AI Scraper at a single Amazon product page and asked for just four fields: type, price, rating, availability. No selectors. No HTML digging. No fighting Amazon’s anti-bot system. Just
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Math you need to be a great data engineer: - Basic Statistics •Mean, median, mode •Variance and standard deviation •Probability distributions •Hypothesis testing •Confidence intervals •Correlation vs causation •Sampling techniques - Linear Algebra •Vectors and matrices
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