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In today's tutorial, we discuss cross joins and when to use them. A cross join creates a cartesian product, combining all possible combinations of two tables. For example, when selecting from a products table with soap, toothbrush, and shampoo, and a divisions table with north and south, a cross join would bring together every combination of products and divisions. In a cross join, there is no need for an on clause to specify the join condition. This join type is rarely used due to its potential to create a large result set.
