Start here if you’re new to SQL. Learn the basics of SQL, retrieve data from an SQL database and build simple reports.
Standard SQL Functions
Learn how to process numerical, text, and other types of data with SQL’s most-used functions.
How to INSERT, UPDATE, and DELETE Data in SQL
Go beyond simple SELECT statements! Learn all about the SQL UPDATE, INSERT, and DELETE commands, and find out how to combine them with NULLs and JOINs.
Creating Basic SQL Reports
Teach yourself how to build basic SQL reports to track and analyze the performance of your metrics.
Learn how to use analytic SQL functions to deeply understand data.
Master the most challenging type of SQL queries. Learn how to process trees and graphs in SQL, and how to effectively organize long SQL queries.
GROUP BY Extensions in SQL
Do you want to work more efficiently using SQL and be able to create more complex and sophisticated queries? Learn about GROUP BY clauses, such as ROLLUP, CUBE, and GROUPING SETS.