Arthur Petit
7 June 2024
Understanding SQL Guide's INNER JOIN vs. OUTER JOIN
It is vital to comprehend the distinctions between INNER JOIN and OUTER JOIN in SQL in order to handle databases efficiently. While an outer join also contains rows that are not matched, an inner join only returns data from both tables that have matching values. To be more precise, RIGHT OUTER JOIN retrieves rows from the right table, LEFT OUTER JOIN returns all rows from the left table, and FULL OUTER JOIN aggregates the results from both.