The most defining feature of SQL is arguably the join, as this is what relational databases are really designed to do. While there are several types of join, none are so commonly used as the INNER JOIN and LEFT JOIN. We will cover these two operators in this section.
The most defining feature of SQL is arguably the join, as this is what relational databases are really designed to do. While there are several types of join, none are so commonly used as the INNER JOIN and LEFT JOIN. We will cover these two operators in this section.