Frequently Asked Questions on SQL CROSS JOIN
When to use the CROSS JOIN in SQL?
The CROSS JOIN in to tables used to generate all combinations of records. For example, we have two columns: size and color, and we need a result to display all the possible paired combinations of those columns that’s where the CROSS JOIN will come.
What happens when a WHERE condition is specified in CROSS JOIN?
In case a WHERE condition is specified then Cross Join behaves as a Inner Join.
What is the difference between CROSS JOIN and Natural Join?
Natural Join joins two tables based on same attribute name and datatypes. Cartesian/CROSS Join produces cartesian product of two tables.
SQL CROSS JOIN
SQL CROSS JOIN returns all the records from the left and right tables. CROSS JOIN returns a combination of each row in the left table paired with each row in the right table.
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