SQL stands for structured query language, a high level language for querying relational databases, extracting information. For example, SQL provides the syntax rules that can translate a query like this into a form that can be submitted to the database: “Find all sales of products X and Y in California between January 15 and March 30.”
Statistics and data science, defined
SQL
Where this gets used
We teach data science and statistics online, one subject at a time, on fixed start dates with an instructor who marks your work.