Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - How to Perform an Inner Join

The video tutorial covers the concept of inner joins in SQL, focusing on using PROC SQL to join two tables based on a common column, employee ID. It explains the use of table aliases to simplify SQL queries and demonstrates how to select specific columns from joined tables. The tutorial also compares using the WHERE clause and the INNER JOIN keyword for performing joins. Additionally, it addresses handling missing values in datasets, providing techniques to include or exclude incomplete records.

What happens if you select all columns from both tables in the join?

How can you handle missing values in your tables according to the text?

What is the significance of the 'is not missing' operator in SQL?