Understand Joins and Unions in Postgres

You know the basics of Postgres, but most meaningful queries will require you to combine tables in novel ways to ask questions you couldn't ask with a single table alone. Joins and unions come up over and over again in interview questions -- because of how fundamental they are. This course will make you a master of your tables, and give you the power to answer questions you couldn't before.

Watch User Created Playlist (0)

This playlist is user created.

No lessons yet! Check back soon.

Joel's Head
Why are we asking?