Learn practical applications of SQL queries for data analysis . Gain the career-building skills you need with this course . Learn to use Structured Query Language (SQL) to extract and analyze data stored in databases . Learn how to retrieve data, join tables, calculate rolling averages and rankings, work with dates and times, use window functions, aggregate and filter data, and much more . Free downloads SQL Server and AdventureWorks are available for use in the next free download . Learn about the most common data science and analytics questions that you’ll receive, such as how to find the top products per category, how to calculate rolling average of sales and how to do more complex analysis and manipulations .API quota exceeded. You can make 500 requests per day.