SELECT a.au_id, t.title FROM titles t, authors a, titleauthor ta WHERE a.au_id = ta.au_id AND ta.title_id = t.title_id AND t.title LIKE '%Computer%' SELECT a.au_id, t ...
In this excerpt from SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, John L. Viescas and Michael J. Hernandez discuss the LEFT OUTER JOIN vs. the RIGHT OUTER JOIN and offer ...
Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...