This is a material that can be used little by little to use SQL within R. First, it is necessary to add the definitions of what SQL is and the functions that can be used to connect databases, create tables, join, manipulate, iterate and extract queries. Once this is understood, from R and Python generate the codes that can be used to extract queries that are too heavy and are saved through files with a .csv extension.
This will serve in the future for jobs where programming languages are used to make it easier to iterate the forms and extensions of large queries.
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