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SQL for Beginners in a Nutshell

Data sources are an integral part of Big Data and much corporate data are still housed in databases, data marts and data warehouses accessed by the SQL language. More and more, traditional business and data analysts are being asked to work directly with enterprise-scale databases in order to procure data sets for the purpose of early-stage data cleansing and transformation. This means that these professionals must master SQL so they can make simple queries, rather than turning to IT to request data. But learning a programming language might not be an easy task for some. Our friends over at Udemy produced the infographic below containing the basics of SQL for beginners designed to kick start this effort.

 

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