In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some ... against two related tables by using SQL join clauses. Along the way, I will suggest ...

In this tutorial, we'll explore how to use SQL joins to perform more complex queries on a database. This will help to show you how to interact with databases and perform general analytics with them.

Below, we list the top SQL tutorials for advanced database management that will help you take your ... This course dives deep into advanced topics such as window functions, advanced JOIN operations, ...

INSERT INTO — inserts new data into a database. INT — Integer numerical (no decimal). VARCHAR — data type stores variable-length character strings. INNER JOIN — selects records that have matching ...

It also links to further lessons covering more advanced topics. Khan Academy offers an Intro to SQL tutorial with free videos and exercises. It covers basic functions, joins, database modification, ...